1689375

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 40

約数和(自身を含む): 3036528

約数和(自身を除く): 1347153

約数列:

[1, 3, 5, 15, 17, 25, 51, 53, 75, 85, 125, 159, 255, 265, 375, 425, 625, 795, 901, 1275, 1325, 1875, 2125, 2703, 3975, 4505, 6375, 6625, 10625, 13515, 19875, 22525, 31875, 33125, 67575, 99375, 112625, 337875, 563125, 1689375]

約数ペア:

[(1, 1689375), (3, 563125), (5, 337875), (15, 112625), (17, 99375), (25, 67575), (51, 33125), (53, 31875), (75, 22525), (85, 19875), (125, 13515), (159, 10625), (255, 6625), (265, 6375), (375, 4505), (425, 3975), (625, 2703), (795, 2125), (901, 1875), (1275, 1325)]