84878775

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 161148416

約数和(自身を除く): 76269641

約数列:

[1, 3, 5, 9, 15, 25, 31, 43, 45, 75, 93, 129, 155, 215, 225, 279, 283, 387, 465, 645, 775, 849, 1075, 1333, 1395, 1415, 1935, 2325, 2547, 3225, 3999, 4245, 6665, 6975, 7075, 8773, 9675, 11997, 12169, 12735, 19995, 21225, 26319, 33325, 36507, 43865, 59985, 60845, 63675, 78957, 99975, 109521, 131595, 182535, 219325, 299925, 304225, 377239, 394785, 547605, 657975, 912675, 1131717, 1886195, 1973925, 2738025, 3395151, 5658585, 9430975, 16975755, 28292925, 84878775]

約数ペア:

[(1, 84878775), (3, 28292925), (5, 16975755), (9, 9430975), (15, 5658585), (25, 3395151), (31, 2738025), (43, 1973925), (45, 1886195), (75, 1131717), (93, 912675), (129, 657975), (155, 547605), (215, 394785), (225, 377239), (279, 304225), (283, 299925), (387, 219325), (465, 182535), (645, 131595), (775, 109521), (849, 99975), (1075, 78957), (1333, 63675), (1395, 60845), (1415, 59985), (1935, 43865), (2325, 36507), (2547, 33325), (3225, 26319), (3999, 21225), (4245, 19995), (6665, 12735), (6975, 12169), (7075, 11997), (8773, 9675)]