209310915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 381026304

約数和(自身を除く): 171715389

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 151, 155, 165, 271, 341, 453, 465, 755, 813, 1023, 1355, 1661, 1705, 2265, 2981, 4065, 4681, 4983, 5115, 8305, 8401, 8943, 14043, 14905, 23405, 24915, 25203, 40921, 42005, 44715, 51491, 70215, 92411, 122763, 126015, 154473, 204605, 257455, 277233, 450131, 462055, 613815, 772365, 1268551, 1350393, 1386165, 2250655, 3805653, 6342755, 6751965, 13954061, 19028265, 41862183, 69770305, 209310915]

約数ペア:

[(1, 209310915), (3, 69770305), (5, 41862183), (11, 19028265), (15, 13954061), (31, 6751965), (33, 6342755), (55, 3805653), (93, 2250655), (151, 1386165), (155, 1350393), (165, 1268551), (271, 772365), (341, 613815), (453, 462055), (465, 450131), (755, 277233), (813, 257455), (1023, 204605), (1355, 154473), (1661, 126015), (1705, 122763), (2265, 92411), (2981, 70215), (4065, 51491), (4681, 44715), (4983, 42005), (5115, 40921), (8305, 25203), (8401, 24915), (8943, 23405), (14043, 14905)]