30921555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1019}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 60122880

約数和(自身を除く): 29201325

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 595, 867, 1019, 1445, 1785, 2023, 3057, 4335, 5095, 6069, 7133, 10115, 15285, 17323, 21399, 30345, 35665, 51969, 86615, 106995, 121261, 259845, 294491, 363783, 606305, 883473, 1472455, 1818915, 2061437, 4417365, 6184311, 10307185, 30921555]

約数ペア:

[(1, 30921555), (3, 10307185), (5, 6184311), (7, 4417365), (15, 2061437), (17, 1818915), (21, 1472455), (35, 883473), (51, 606305), (85, 363783), (105, 294491), (119, 259845), (255, 121261), (289, 106995), (357, 86615), (595, 51969), (867, 35665), (1019, 30345), (1445, 21399), (1785, 17323), (2023, 15285), (3057, 10115), (4335, 7133), (5095, 6069)]