1251315

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 64

約数和(自身を含む): 2580480

約数和(自身を除く): 1329165

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 31, 39, 45, 65, 69, 93, 115, 117, 135, 155, 195, 207, 279, 299, 345, 351, 403, 465, 585, 621, 713, 837, 897, 1035, 1209, 1395, 1495, 1755, 2015, 2139, 2691, 3105, 3565, 3627, 4185, 4485, 6045, 6417, 8073, 9269, 10695, 10881, 13455, 18135, 19251, 27807, 32085, 40365, 46345, 54405, 83421, 96255, 139035, 250263, 417105, 1251315]

約数ペア:

[(1, 1251315), (3, 417105), (5, 250263), (9, 139035), (13, 96255), (15, 83421), (23, 54405), (27, 46345), (31, 40365), (39, 32085), (45, 27807), (65, 19251), (69, 18135), (93, 13455), (115, 10881), (117, 10695), (135, 9269), (155, 8073), (195, 6417), (207, 6045), (279, 4485), (299, 4185), (345, 3627), (351, 3565), (403, 3105), (465, 2691), (585, 2139), (621, 2015), (713, 1755), (837, 1495), (897, 1395), (1035, 1209)]