31504005

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 62496000

約数和(自身を除く): 30991995

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 87, 117, 135, 145, 195, 261, 351, 377, 435, 585, 619, 783, 1131, 1305, 1755, 1857, 1885, 3095, 3393, 3915, 5571, 5655, 8047, 9285, 10179, 16713, 16965, 17951, 24141, 27855, 40235, 50895, 53853, 72423, 83565, 89755, 120705, 161559, 217269, 233363, 269265, 362115, 484677, 700089, 807795, 1086345, 1166815, 2100267, 2423385, 3500445, 6300801, 10501335, 31504005]

約数ペア:

[(1, 31504005), (3, 10501335), (5, 6300801), (9, 3500445), (13, 2423385), (15, 2100267), (27, 1166815), (29, 1086345), (39, 807795), (45, 700089), (65, 484677), (87, 362115), (117, 269265), (135, 233363), (145, 217269), (195, 161559), (261, 120705), (351, 89755), (377, 83565), (435, 72423), (585, 53853), (619, 50895), (783, 40235), (1131, 27855), (1305, 24141), (1755, 17951), (1857, 16965), (1885, 16713), (3095, 10179), (3393, 9285), (3915, 8047), (5571, 5655)]