128435985

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 231678720

約数和(自身を除く): 103242735

約数列:

[1, 3, 5, 9, 15, 41, 45, 67, 123, 201, 205, 335, 369, 603, 615, 1005, 1039, 1845, 2747, 3015, 3117, 5195, 8241, 9351, 13735, 15585, 24723, 41205, 42599, 46755, 69613, 123615, 127797, 208839, 212995, 348065, 383391, 626517, 638985, 1044195, 1916955, 2854133, 3132585, 8562399, 14270665, 25687197, 42811995, 128435985]

約数ペア:

[(1, 128435985), (3, 42811995), (5, 25687197), (9, 14270665), (15, 8562399), (41, 3132585), (45, 2854133), (67, 1916955), (123, 1044195), (201, 638985), (205, 626517), (335, 383391), (369, 348065), (603, 212995), (615, 208839), (1005, 127797), (1039, 123615), (1845, 69613), (2747, 46755), (3015, 42599), (3117, 41205), (5195, 24723), (8241, 15585), (9351, 13735)]