81168825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 141151680

約数和(自身を除く): 59982855

約数列:

[1, 3, 5, 15, 25, 29, 67, 75, 87, 145, 201, 335, 435, 557, 725, 1005, 1671, 1675, 1943, 2175, 2785, 5025, 5829, 8355, 9715, 13925, 16153, 29145, 37319, 41775, 48459, 48575, 80765, 111957, 145725, 186595, 242295, 403825, 559785, 932975, 1082251, 1211475, 2798925, 3246753, 5411255, 16233765, 27056275, 81168825]

約数ペア:

[(1, 81168825), (3, 27056275), (5, 16233765), (15, 5411255), (25, 3246753), (29, 2798925), (67, 1211475), (75, 1082251), (87, 932975), (145, 559785), (201, 403825), (335, 242295), (435, 186595), (557, 145725), (725, 111957), (1005, 80765), (1671, 48575), (1675, 48459), (1943, 41775), (2175, 37319), (2785, 29145), (5025, 16153), (5829, 13925), (8355, 9715)]