128424825

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3119}}^1$

素因数の和:3199

約数の個数: 48

約数和(自身を含む): 239865600

約数和(自身を除く): 111440775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 549, 675, 915, 1525, 1647, 2745, 3119, 4575, 8235, 9357, 13725, 15595, 28071, 41175, 46785, 77975, 84213, 140355, 190259, 233925, 421065, 570777, 701775, 951295, 1712331, 2105325, 2853885, 4756475, 5136993, 8561655, 14269425, 25684965, 42808275, 128424825]

約数ペア:

[(1, 128424825), (3, 42808275), (5, 25684965), (9, 14269425), (15, 8561655), (25, 5136993), (27, 4756475), (45, 2853885), (61, 2105325), (75, 1712331), (135, 951295), (183, 701775), (225, 570777), (305, 421065), (549, 233925), (675, 190259), (915, 140355), (1525, 84213), (1647, 77975), (2745, 46785), (3119, 41175), (4575, 28071), (8235, 15595), (9357, 13725)]