31912845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 53644032

約数和(自身を除く): 21731187

約数列:

[1, 3, 5, 15, 23, 69, 115, 233, 345, 397, 699, 1165, 1191, 1985, 3495, 5359, 5955, 9131, 16077, 26795, 27393, 45655, 80385, 92501, 136965, 277503, 462505, 1387515, 2127523, 6382569, 10637615, 31912845]

約数ペア:

[(1, 31912845), (3, 10637615), (5, 6382569), (15, 2127523), (23, 1387515), (69, 462505), (115, 277503), (233, 136965), (345, 92501), (397, 80385), (699, 45655), (1165, 27393), (1191, 26795), (1985, 16077), (3495, 9131), (5359, 5955)]