31666965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 58834944

約数和(自身を除く): 27167979

約数列:

[1, 3, 5, 11, 15, 31, 33, 41, 55, 93, 123, 151, 155, 165, 205, 341, 451, 453, 465, 615, 755, 1023, 1271, 1353, 1661, 1705, 2255, 2265, 3813, 4681, 4983, 5115, 6191, 6355, 6765, 8305, 13981, 14043, 18573, 19065, 23405, 24915, 30955, 41943, 51491, 68101, 69905, 70215, 92865, 154473, 191921, 204303, 209715, 257455, 340505, 575763, 772365, 959605, 1021515, 2111131, 2878815, 6333393, 10555655, 31666965]

約数ペア:

[(1, 31666965), (3, 10555655), (5, 6333393), (11, 2878815), (15, 2111131), (31, 1021515), (33, 959605), (41, 772365), (55, 575763), (93, 340505), (123, 257455), (151, 209715), (155, 204303), (165, 191921), (205, 154473), (341, 92865), (451, 70215), (453, 69905), (465, 68101), (615, 51491), (755, 41943), (1023, 30955), (1271, 24915), (1353, 23405), (1661, 19065), (1705, 18573), (2255, 14043), (2265, 13981), (3813, 8305), (4681, 6765), (4983, 6355), (5115, 6191)]