7900425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 15865304

約数和(自身を除く): 7964879

約数列:

[1, 3, 5, 9, 13, 15, 25, 37, 39, 45, 65, 73, 75, 111, 117, 185, 195, 219, 225, 325, 333, 365, 481, 555, 585, 657, 925, 949, 975, 1095, 1443, 1665, 1825, 2405, 2701, 2775, 2847, 2925, 3285, 4329, 4745, 5475, 7215, 8103, 8325, 8541, 12025, 13505, 14235, 16425, 21645, 23725, 24309, 35113, 36075, 40515, 42705, 67525, 71175, 105339, 108225, 121545, 175565, 202575, 213525, 316017, 526695, 607725, 877825, 1580085, 2633475, 7900425]

約数ペア:

[(1, 7900425), (3, 2633475), (5, 1580085), (9, 877825), (13, 607725), (15, 526695), (25, 316017), (37, 213525), (39, 202575), (45, 175565), (65, 121545), (73, 108225), (75, 105339), (111, 71175), (117, 67525), (185, 42705), (195, 40515), (219, 36075), (225, 35113), (325, 24309), (333, 23725), (365, 21645), (481, 16425), (555, 14235), (585, 13505), (657, 12025), (925, 8541), (949, 8325), (975, 8103), (1095, 7215), (1443, 5475), (1665, 4745), (1825, 4329), (2405, 3285), (2701, 2925), (2775, 2847)]