2738925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 5880576

約数和(自身を除く): 3141651

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 37, 45, 47, 63, 75, 105, 111, 141, 175, 185, 225, 235, 259, 315, 329, 333, 423, 525, 555, 705, 777, 925, 987, 1175, 1295, 1575, 1645, 1665, 1739, 2115, 2331, 2775, 2961, 3525, 3885, 4935, 5217, 6475, 8225, 8325, 8695, 10575, 11655, 12173, 14805, 15651, 19425, 24675, 26085, 36519, 43475, 58275, 60865, 74025, 78255, 109557, 130425, 182595, 304325, 391275, 547785, 912975, 2738925]

約数ペア:

[(1, 2738925), (3, 912975), (5, 547785), (7, 391275), (9, 304325), (15, 182595), (21, 130425), (25, 109557), (35, 78255), (37, 74025), (45, 60865), (47, 58275), (63, 43475), (75, 36519), (105, 26085), (111, 24675), (141, 19425), (175, 15651), (185, 14805), (225, 12173), (235, 11655), (259, 10575), (315, 8695), (329, 8325), (333, 8225), (423, 6475), (525, 5217), (555, 4935), (705, 3885), (777, 3525), (925, 2961), (987, 2775), (1175, 2331), (1295, 2115), (1575, 1739), (1645, 1665)]