13025025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 25885496

約数和(自身を除く): 12860471

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 73, 75, 117, 183, 195, 219, 225, 305, 325, 365, 549, 585, 657, 793, 915, 949, 975, 1095, 1525, 1825, 2379, 2745, 2847, 2925, 3285, 3965, 4453, 4575, 4745, 5475, 7137, 8541, 11895, 13359, 13725, 14235, 16425, 19825, 22265, 23725, 35685, 40077, 42705, 57889, 59475, 66795, 71175, 111325, 173667, 178425, 200385, 213525, 289445, 333975, 521001, 868335, 1001925, 1447225, 2605005, 4341675, 13025025]

約数ペア:

[(1, 13025025), (3, 4341675), (5, 2605005), (9, 1447225), (13, 1001925), (15, 868335), (25, 521001), (39, 333975), (45, 289445), (61, 213525), (65, 200385), (73, 178425), (75, 173667), (117, 111325), (183, 71175), (195, 66795), (219, 59475), (225, 57889), (305, 42705), (325, 40077), (365, 35685), (549, 23725), (585, 22265), (657, 19825), (793, 16425), (915, 14235), (949, 13725), (975, 13359), (1095, 11895), (1525, 8541), (1825, 7137), (2379, 5475), (2745, 4745), (2847, 4575), (2925, 4453), (3285, 3965)]