289487775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{593}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 502039296

約数和(自身を除く): 212551521

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 283, 345, 575, 593, 849, 1415, 1725, 1779, 2965, 4245, 6509, 7075, 8895, 13639, 14825, 19527, 21225, 32545, 40917, 44475, 68195, 97635, 162725, 167819, 204585, 340975, 488175, 503457, 839095, 1022925, 2517285, 3859837, 4195475, 11579511, 12586425, 19299185, 57897555, 96495925, 289487775]

約数ペア:

[(1, 289487775), (3, 96495925), (5, 57897555), (15, 19299185), (23, 12586425), (25, 11579511), (69, 4195475), (75, 3859837), (115, 2517285), (283, 1022925), (345, 839095), (575, 503457), (593, 488175), (849, 340975), (1415, 204585), (1725, 167819), (1779, 162725), (2965, 97635), (4245, 68195), (6509, 44475), (7075, 40917), (8895, 32545), (13639, 21225), (14825, 19527)]