489487899

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 698951680

約数和(自身を除く): 209463781

約数列:

[1, 3, 19, 57, 97, 223, 291, 397, 669, 1191, 1843, 4237, 5529, 7543, 12711, 21631, 22629, 38509, 64893, 88531, 115527, 265593, 410989, 731671, 1232967, 1682089, 2195013, 5046267, 8587507, 25762521, 163162633, 489487899]

約数ペア:

[(1, 489487899), (3, 163162633), (19, 25762521), (57, 8587507), (97, 5046267), (223, 2195013), (291, 1682089), (397, 1232967), (669, 731671), (1191, 410989), (1843, 265593), (4237, 115527), (5529, 88531), (7543, 64893), (12711, 38509), (21631, 22629)]