890403885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 1810598400

約数和(自身を除く): 920194515

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 149, 183, 305, 311, 315, 427, 447, 549, 745, 915, 933, 1043, 1281, 1341, 1555, 2135, 2177, 2235, 2745, 2799, 3129, 3843, 4665, 5215, 6405, 6531, 6705, 9089, 9387, 10885, 13995, 15645, 18971, 19215, 19593, 27267, 32655, 45445, 46339, 46935, 56913, 63623, 81801, 94855, 97965, 132797, 136335, 139017, 170739, 190869, 231695, 284565, 318115, 324373, 398391, 409005, 417051, 572607, 663985, 695085, 853695, 954345, 973119, 1195173, 1621865, 1991955, 2085255, 2826679, 2863035, 2919357, 4865595, 5975865, 8480037, 14133395, 14596785, 19786753, 25440111, 42400185, 59360259, 98933765, 127200555, 178080777, 296801295, 890403885]

約数ペア:

[(1, 890403885), (3, 296801295), (5, 178080777), (7, 127200555), (9, 98933765), (15, 59360259), (21, 42400185), (35, 25440111), (45, 19786753), (61, 14596785), (63, 14133395), (105, 8480037), (149, 5975865), (183, 4865595), (305, 2919357), (311, 2863035), (315, 2826679), (427, 2085255), (447, 1991955), (549, 1621865), (745, 1195173), (915, 973119), (933, 954345), (1043, 853695), (1281, 695085), (1341, 663985), (1555, 572607), (2135, 417051), (2177, 409005), (2235, 398391), (2745, 324373), (2799, 318115), (3129, 284565), (3843, 231695), (4665, 190869), (5215, 170739), (6405, 139017), (6531, 136335), (6705, 132797), (9089, 97965), (9387, 94855), (10885, 81801), (13995, 63623), (15645, 56913), (18971, 46935), (19215, 46339), (19593, 45445), (27267, 32655)]