398475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 72

約数和(自身を含む): 928512

約数和(自身を除く): 530037

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 23, 25, 33, 35, 45, 55, 63, 69, 75, 77, 99, 105, 115, 161, 165, 175, 207, 225, 231, 253, 275, 315, 345, 385, 483, 495, 525, 575, 693, 759, 805, 825, 1035, 1155, 1265, 1449, 1575, 1725, 1771, 1925, 2277, 2415, 2475, 3465, 3795, 4025, 5175, 5313, 5775, 6325, 7245, 8855, 11385, 12075, 15939, 17325, 18975, 26565, 36225, 44275, 56925, 79695, 132825, 398475]

約数ペア:

[(1, 398475), (3, 132825), (5, 79695), (7, 56925), (9, 44275), (11, 36225), (15, 26565), (21, 18975), (23, 17325), (25, 15939), (33, 12075), (35, 11385), (45, 8855), (55, 7245), (63, 6325), (69, 5775), (75, 5313), (77, 5175), (99, 4025), (105, 3795), (115, 3465), (161, 2475), (165, 2415), (175, 2277), (207, 1925), (225, 1771), (231, 1725), (253, 1575), (275, 1449), (315, 1265), (345, 1155), (385, 1035), (483, 825), (495, 805), (525, 759), (575, 693)]