85131921

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 134701056

約数和(自身を除く): 49569135

約数列:

[1, 3, 7, 21, 31, 93, 217, 251, 521, 651, 753, 1563, 1757, 3647, 5271, 7781, 10941, 16151, 23343, 48453, 54467, 113057, 130771, 163401, 339171, 392313, 915397, 2746191, 4053901, 12161703, 28377307, 85131921]

約数ペア:

[(1, 85131921), (3, 28377307), (7, 12161703), (21, 4053901), (31, 2746191), (93, 915397), (217, 392313), (251, 339171), (521, 163401), (651, 130771), (753, 113057), (1563, 54467), (1757, 48453), (3647, 23343), (5271, 16151), (7781, 10941)]