12856890921

素因数分解:

$3^1\times 7^3\times {\mathrm{349}}^1\times {\mathrm{35801}}^1$

素因数の和:36174

約数の個数: 32

約数和(自身を含む): 20049120000

約数和(自身を除く): 7192229079

約数列:

[1, 3, 7, 21, 49, 147, 343, 349, 1029, 1047, 2443, 7329, 17101, 35801, 51303, 107403, 119707, 250607, 359121, 751821, 1754249, 5262747, 12279743, 12494549, 36839229, 37483647, 87461843, 262385529, 612232901, 1836698703, 4285630307, 12856890921]

約数ペア:

[(1, 12856890921), (3, 4285630307), (7, 1836698703), (21, 612232901), (49, 262385529), (147, 87461843), (343, 37483647), (349, 36839229), (1029, 12494549), (1047, 12279743), (2443, 5262747), (7329, 1754249), (17101, 751821), (35801, 359121), (51303, 250607), (107403, 119707)]