77280225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 140300544

約数和(自身を除く): 63020319

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 283, 331, 825, 849, 993, 1415, 1655, 3113, 3641, 4245, 4965, 7075, 8275, 9339, 10923, 15565, 18205, 21225, 24825, 46695, 54615, 77825, 91025, 93673, 233475, 273075, 281019, 468365, 1030403, 1405095, 2341825, 3091209, 5152015, 7025475, 15456045, 25760075, 77280225]

約数ペア:

[(1, 77280225), (3, 25760075), (5, 15456045), (11, 7025475), (15, 5152015), (25, 3091209), (33, 2341825), (55, 1405095), (75, 1030403), (165, 468365), (275, 281019), (283, 273075), (331, 233475), (825, 93673), (849, 91025), (993, 77825), (1415, 54615), (1655, 46695), (3113, 24825), (3641, 21225), (4245, 18205), (4965, 15565), (7075, 10923), (8275, 9339)]