1718925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 3208128

約数和(自身を除く): 1489203

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 43, 65, 75, 123, 129, 195, 205, 215, 325, 533, 559, 615, 645, 975, 1025, 1075, 1599, 1677, 1763, 2665, 2795, 3075, 3225, 5289, 7995, 8385, 8815, 13325, 13975, 22919, 26445, 39975, 41925, 44075, 68757, 114595, 132225, 343785, 572975, 1718925]

約数ペア:

[(1, 1718925), (3, 572975), (5, 343785), (13, 132225), (15, 114595), (25, 68757), (39, 44075), (41, 41925), (43, 39975), (65, 26445), (75, 22919), (123, 13975), (129, 13325), (195, 8815), (205, 8385), (215, 7995), (325, 5289), (533, 3225), (559, 3075), (615, 2795), (645, 2665), (975, 1763), (1025, 1677), (1075, 1599)]