218890425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 417973248

約数和(自身を除く): 199082823

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 43, 65, 69, 75, 115, 129, 195, 215, 227, 299, 325, 345, 559, 575, 645, 681, 897, 975, 989, 1075, 1135, 1495, 1677, 1725, 2795, 2951, 2967, 3225, 3405, 4485, 4945, 5221, 5675, 7475, 8385, 8853, 9761, 12857, 13975, 14755, 14835, 15663, 17025, 22425, 24725, 26105, 29283, 38571, 41925, 44265, 48805, 64285, 67873, 73775, 74175, 78315, 126893, 130525, 146415, 192855, 203619, 221325, 224503, 244025, 321425, 339365, 380679, 391575, 634465, 673509, 732075, 964275, 1018095, 1122515, 1696825, 1903395, 2918539, 3172325, 3367545, 5090475, 5612575, 8755617, 9516975, 14592695, 16837725, 43778085, 72963475, 218890425]

約数ペア:

[(1, 218890425), (3, 72963475), (5, 43778085), (13, 16837725), (15, 14592695), (23, 9516975), (25, 8755617), (39, 5612575), (43, 5090475), (65, 3367545), (69, 3172325), (75, 2918539), (115, 1903395), (129, 1696825), (195, 1122515), (215, 1018095), (227, 964275), (299, 732075), (325, 673509), (345, 634465), (559, 391575), (575, 380679), (645, 339365), (681, 321425), (897, 244025), (975, 224503), (989, 221325), (1075, 203619), (1135, 192855), (1495, 146415), (1677, 130525), (1725, 126893), (2795, 78315), (2951, 74175), (2967, 73775), (3225, 67873), (3405, 64285), (4485, 48805), (4945, 44265), (5221, 41925), (5675, 38571), (7475, 29283), (8385, 26105), (8853, 24725), (9761, 22425), (12857, 17025), (13975, 15663), (14755, 14835)]