38905209711

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{264343}}^1$

素因数の和:264457

約数の個数: 40

約数和(自身を含む): 61412398080

約数和(自身を除く): 22507188369

約数列:

[1, 3, 9, 23, 27, 69, 79, 81, 207, 237, 621, 711, 1817, 1863, 2133, 5451, 6399, 16353, 49059, 147177, 264343, 793029, 2379087, 6079889, 7137261, 18239667, 20883097, 21411783, 54719001, 62649291, 164157003, 187947873, 480311231, 492471009, 563843619, 1440933693, 1691530857, 4322801079, 12968403237, 38905209711]

約数ペア:

[(1, 38905209711), (3, 12968403237), (9, 4322801079), (23, 1691530857), (27, 1440933693), (69, 563843619), (79, 492471009), (81, 480311231), (207, 187947873), (237, 164157003), (621, 62649291), (711, 54719001), (1817, 21411783), (1863, 20883097), (2133, 18239667), (5451, 7137261), (6399, 6079889), (16353, 2379087), (49059, 793029), (147177, 264343)]