311918925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2351}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 542465280

約数和(自身を除く): 230546355

約数列:

[1, 3, 5, 15, 25, 29, 61, 75, 87, 145, 183, 305, 435, 725, 915, 1525, 1769, 2175, 2351, 4575, 5307, 7053, 8845, 11755, 26535, 35265, 44225, 58775, 68179, 132675, 143411, 176325, 204537, 340895, 430233, 717055, 1022685, 1704475, 2151165, 3585275, 4158919, 5113425, 10755825, 12476757, 20794595, 62383785, 103972975, 311918925]

約数ペア:

[(1, 311918925), (3, 103972975), (5, 62383785), (15, 20794595), (25, 12476757), (29, 10755825), (61, 5113425), (75, 4158919), (87, 3585275), (145, 2151165), (183, 1704475), (305, 1022685), (435, 717055), (725, 430233), (915, 340895), (1525, 204537), (1769, 176325), (2175, 143411), (2351, 132675), (4575, 68179), (5307, 58775), (7053, 44225), (8845, 35265), (11755, 26535)]