398366865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1059

約数の個数: 96

約数和(自身を含む): 807389856

約数和(自身を除く): 409022991

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 41, 45, 51, 65, 85, 117, 123, 153, 195, 205, 221, 255, 369, 533, 585, 615, 663, 697, 765, 977, 1105, 1599, 1845, 1989, 2091, 2665, 2931, 3315, 3485, 4797, 4885, 6273, 7995, 8793, 9061, 9945, 10455, 12701, 14655, 16609, 23985, 27183, 31365, 38103, 40057, 43965, 45305, 49827, 63505, 81549, 83045, 114309, 120171, 135915, 149481, 190515, 200285, 215917, 249135, 360513, 407745, 520741, 571545, 600855, 647751, 680969, 747405, 1079585, 1562223, 1802565, 1943253, 2042907, 2603705, 3238755, 3404845, 4686669, 6128721, 7811115, 8852597, 9716265, 10214535, 23433345, 26557791, 30643605, 44262985, 79673373, 132788955, 398366865]

約数ペア:

[(1, 398366865), (3, 132788955), (5, 79673373), (9, 44262985), (13, 30643605), (15, 26557791), (17, 23433345), (39, 10214535), (41, 9716265), (45, 8852597), (51, 7811115), (65, 6128721), (85, 4686669), (117, 3404845), (123, 3238755), (153, 2603705), (195, 2042907), (205, 1943253), (221, 1802565), (255, 1562223), (369, 1079585), (533, 747405), (585, 680969), (615, 647751), (663, 600855), (697, 571545), (765, 520741), (977, 407745), (1105, 360513), (1599, 249135), (1845, 215917), (1989, 200285), (2091, 190515), (2665, 149481), (2931, 135915), (3315, 120171), (3485, 114309), (4797, 83045), (4885, 81549), (6273, 63505), (7995, 49827), (8793, 45305), (9061, 43965), (9945, 40057), (10455, 38103), (12701, 31365), (14655, 27183), (16609, 23985)]