217200075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{170353}}^1$

素因数の和:170383

約数の個数: 24

約数和(自身を含む): 380230128

約数和(自身を除く): 163030053

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 170353, 511059, 851765, 2555295, 2896001, 4258825, 8688003, 12776475, 14480005, 43440015, 72400025, 217200075]

約数ペア:

[(1, 217200075), (3, 72400025), (5, 43440015), (15, 14480005), (17, 12776475), (25, 8688003), (51, 4258825), (75, 2896001), (85, 2555295), (255, 851765), (425, 511059), (1275, 170353)]