449640399

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 700858368

約数和(自身を除く): 251217969

約数列:

[1, 3, 13, 31, 39, 41, 47, 93, 123, 141, 193, 403, 533, 579, 611, 1209, 1271, 1457, 1599, 1833, 1927, 2509, 3813, 4371, 5781, 5983, 7527, 7913, 9071, 16523, 17949, 18941, 23739, 25051, 27213, 49569, 56823, 59737, 75153, 77779, 102869, 117923, 179211, 233337, 245303, 281201, 308607, 353769, 371911, 735909, 776581, 843603, 1115733, 2329743, 3188939, 3655613, 4834843, 9566817, 10966839, 11529241, 14504529, 34587723, 149880133, 449640399]

約数ペア:

[(1, 449640399), (3, 149880133), (13, 34587723), (31, 14504529), (39, 11529241), (41, 10966839), (47, 9566817), (93, 4834843), (123, 3655613), (141, 3188939), (193, 2329743), (403, 1115733), (533, 843603), (579, 776581), (611, 735909), (1209, 371911), (1271, 353769), (1457, 308607), (1599, 281201), (1833, 245303), (1927, 233337), (2509, 179211), (3813, 117923), (4371, 102869), (5781, 77779), (5983, 75153), (7527, 59737), (7913, 56823), (9071, 49569), (16523, 27213), (17949, 25051), (18941, 23739)]