7145235

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 13347360

約数和(自身を除く): 6202125

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 137, 171, 183, 285, 305, 411, 549, 685, 855, 915, 1159, 1233, 2055, 2603, 2745, 3477, 5795, 6165, 7809, 8357, 10431, 13015, 17385, 23427, 25071, 39045, 41785, 52155, 75213, 117135, 125355, 158783, 376065, 476349, 793915, 1429047, 2381745, 7145235]

約数ペア:

[(1, 7145235), (3, 2381745), (5, 1429047), (9, 793915), (15, 476349), (19, 376065), (45, 158783), (57, 125355), (61, 117135), (95, 75213), (137, 52155), (171, 41785), (183, 39045), (285, 25071), (305, 23427), (411, 17385), (549, 13015), (685, 10431), (855, 8357), (915, 7809), (1159, 6165), (1233, 5795), (2055, 3477), (2603, 2745)]