31973865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 70778880

約数和(自身を除く): 38805015

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 31, 33, 35, 47, 55, 57, 77, 93, 95, 105, 133, 141, 155, 165, 209, 217, 231, 235, 285, 329, 341, 385, 399, 465, 517, 589, 627, 651, 665, 705, 893, 987, 1023, 1045, 1085, 1155, 1457, 1463, 1551, 1645, 1705, 1767, 1995, 2387, 2585, 2679, 2945, 3135, 3255, 3619, 4123, 4371, 4389, 4465, 4935, 5115, 6251, 6479, 7161, 7285, 7315, 7755, 8835, 9823, 10199, 10857, 11935, 12369, 13395, 16027, 18095, 18753, 19437, 20615, 21855, 21945, 27683, 29469, 30597, 31255, 32395, 35805, 45353, 48081, 49115, 50995, 54285, 61845, 68761, 80135, 83049, 93765, 97185, 112189, 136059, 138415, 147345, 152985, 193781, 206283, 226765, 240405, 304513, 336567, 343805, 415245, 560945, 581343, 680295, 913539, 968905, 1031415, 1522565, 1682835, 2131591, 2906715, 4567695, 6394773, 10657955, 31973865]

約数ペア:

[(1, 31973865), (3, 10657955), (5, 6394773), (7, 4567695), (11, 2906715), (15, 2131591), (19, 1682835), (21, 1522565), (31, 1031415), (33, 968905), (35, 913539), (47, 680295), (55, 581343), (57, 560945), (77, 415245), (93, 343805), (95, 336567), (105, 304513), (133, 240405), (141, 226765), (155, 206283), (165, 193781), (209, 152985), (217, 147345), (231, 138415), (235, 136059), (285, 112189), (329, 97185), (341, 93765), (385, 83049), (399, 80135), (465, 68761), (517, 61845), (589, 54285), (627, 50995), (651, 49115), (665, 48081), (705, 45353), (893, 35805), (987, 32395), (1023, 31255), (1045, 30597), (1085, 29469), (1155, 27683), (1457, 21945), (1463, 21855), (1551, 20615), (1645, 19437), (1705, 18753), (1767, 18095), (1995, 16027), (2387, 13395), (2585, 12369), (2679, 11935), (2945, 10857), (3135, 10199), (3255, 9823), (3619, 8835), (4123, 7755), (4371, 7315), (4389, 7285), (4465, 7161), (4935, 6479), (5115, 6251)]