74847915

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 136188000

約数和(自身を除く): 61340085

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 149, 183, 305, 447, 549, 745, 915, 1341, 1647, 2235, 2745, 3721, 4023, 6705, 8235, 9089, 11163, 18605, 20115, 27267, 33489, 45445, 55815, 81801, 100467, 136335, 167445, 245403, 409005, 502335, 554429, 1227015, 1663287, 2772145, 4989861, 8316435, 14969583, 24949305, 74847915]

約数ペア:

[(1, 74847915), (3, 24949305), (5, 14969583), (9, 8316435), (15, 4989861), (27, 2772145), (45, 1663287), (61, 1227015), (135, 554429), (149, 502335), (183, 409005), (305, 245403), (447, 167445), (549, 136335), (745, 100467), (915, 81801), (1341, 55815), (1647, 45445), (2235, 33489), (2745, 27267), (3721, 20115), (4023, 18605), (6705, 11163), (8235, 9089)]