51879285

素因数分解:

$3^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 56

約数和(自身を含む): 95799264

約数和(自身を除く): 43919979

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 331, 387, 405, 645, 729, 993, 1161, 1215, 1655, 1935, 2979, 3483, 3645, 4965, 5805, 8937, 10449, 14233, 14895, 17415, 26811, 31347, 42699, 44685, 52245, 71165, 80433, 128097, 134055, 156735, 213495, 241299, 384291, 402165, 640485, 1152873, 1206495, 1921455, 3458619, 5764365, 10375857, 17293095, 51879285]

約数ペア:

[(1, 51879285), (3, 17293095), (5, 10375857), (9, 5764365), (15, 3458619), (27, 1921455), (43, 1206495), (45, 1152873), (81, 640485), (129, 402165), (135, 384291), (215, 241299), (243, 213495), (331, 156735), (387, 134055), (405, 128097), (645, 80433), (729, 71165), (993, 52245), (1161, 44685), (1215, 42699), (1655, 31347), (1935, 26811), (2979, 17415), (3483, 14895), (3645, 14233), (4965, 10449), (5805, 8937)]