53320071

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 84156928

約数和(自身を除く): 30836857

約数列:

[1, 3, 7, 21, 37, 111, 163, 259, 421, 489, 777, 1141, 1263, 2947, 3423, 6031, 8841, 15577, 18093, 42217, 46731, 68623, 109039, 126651, 205869, 327117, 480361, 1441083, 2539051, 7617153, 17773357, 53320071]

約数ペア:

[(1, 53320071), (3, 17773357), (7, 7617153), (21, 2539051), (37, 1441083), (111, 480361), (163, 327117), (259, 205869), (421, 126651), (489, 109039), (777, 68623), (1141, 46731), (1263, 42217), (2947, 18093), (3423, 15577), (6031, 8841)]