18351075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 33078240

約数和(自身を除く): 14727165

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 185, 255, 389, 425, 555, 629, 925, 1167, 1275, 1887, 1945, 2775, 3145, 5835, 6613, 9435, 9725, 14393, 15725, 19839, 29175, 33065, 43179, 47175, 71965, 99195, 165325, 215895, 244681, 359825, 495975, 734043, 1079475, 1223405, 3670215, 6117025, 18351075]

約数ペア:

[(1, 18351075), (3, 6117025), (5, 3670215), (15, 1223405), (17, 1079475), (25, 734043), (37, 495975), (51, 359825), (75, 244681), (85, 215895), (111, 165325), (185, 99195), (255, 71965), (389, 47175), (425, 43179), (555, 33065), (629, 29175), (925, 19839), (1167, 15725), (1275, 14393), (1887, 9725), (1945, 9435), (2775, 6613), (3145, 5835)]