1988415

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 4193280

約数和(自身を除く): 2204865

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 103, 117, 135, 143, 165, 195, 297, 309, 351, 429, 495, 515, 585, 715, 927, 1133, 1287, 1339, 1485, 1545, 1755, 2145, 2781, 3399, 3861, 4017, 4635, 5665, 6435, 6695, 10197, 12051, 13905, 14729, 16995, 19305, 20085, 30591, 36153, 44187, 50985, 60255, 73645, 132561, 152955, 180765, 220935, 397683, 662805, 1988415]

約数ペア:

[(1, 1988415), (3, 662805), (5, 397683), (9, 220935), (11, 180765), (13, 152955), (15, 132561), (27, 73645), (33, 60255), (39, 50985), (45, 44187), (55, 36153), (65, 30591), (99, 20085), (103, 19305), (117, 16995), (135, 14729), (143, 13905), (165, 12051), (195, 10197), (297, 6695), (309, 6435), (351, 5665), (429, 4635), (495, 4017), (515, 3861), (585, 3399), (715, 2781), (927, 2145), (1133, 1755), (1287, 1545), (1339, 1485)]