1214955

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 2667600

約数和(自身を除く): 1452645

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 29, 35, 45, 49, 57, 63, 87, 95, 105, 133, 145, 147, 171, 203, 245, 261, 285, 315, 399, 435, 441, 551, 609, 665, 735, 855, 931, 1015, 1197, 1305, 1421, 1653, 1827, 1995, 2205, 2755, 2793, 3045, 3857, 4263, 4655, 4959, 5985, 7105, 8265, 8379, 9135, 11571, 12789, 13965, 19285, 21315, 24795, 26999, 34713, 41895, 57855, 63945, 80997, 134995, 173565, 242991, 404985, 1214955]

約数ペア:

[(1, 1214955), (3, 404985), (5, 242991), (7, 173565), (9, 134995), (15, 80997), (19, 63945), (21, 57855), (29, 41895), (35, 34713), (45, 26999), (49, 24795), (57, 21315), (63, 19285), (87, 13965), (95, 12789), (105, 11571), (133, 9135), (145, 8379), (147, 8265), (171, 7105), (203, 5985), (245, 4959), (261, 4655), (285, 4263), (315, 3857), (399, 3045), (435, 2793), (441, 2755), (551, 2205), (609, 1995), (665, 1827), (735, 1653), (855, 1421), (931, 1305), (1015, 1197)]