84640521

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 131829760

約数和(自身を除く): 47189239

約数列:

[1, 3, 7, 21, 79, 163, 237, 313, 489, 553, 939, 1141, 1659, 2191, 3423, 6573, 12877, 24727, 38631, 51019, 74181, 90139, 153057, 173089, 270417, 357133, 519267, 1071399, 4030501, 12091503, 28213507, 84640521]

約数ペア:

[(1, 84640521), (3, 28213507), (7, 12091503), (21, 4030501), (79, 1071399), (163, 519267), (237, 357133), (313, 270417), (489, 173089), (553, 153057), (939, 90139), (1141, 74181), (1659, 51019), (2191, 38631), (3423, 24727), (6573, 12877)]