210381375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 377440128

約数和(自身を除く): 167058753

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 125, 183, 255, 305, 375, 425, 541, 915, 1037, 1275, 1525, 1623, 2125, 2705, 3111, 4575, 5185, 6375, 7625, 8115, 9197, 13525, 15555, 22875, 25925, 27591, 33001, 40575, 45985, 67625, 77775, 99003, 129625, 137955, 165005, 202875, 229925, 388875, 495015, 561017, 689775, 825025, 1149625, 1683051, 2475075, 2805085, 3448875, 4125125, 8415255, 12375375, 14025425, 42076275, 70127125, 210381375]

約数ペア:

[(1, 210381375), (3, 70127125), (5, 42076275), (15, 14025425), (17, 12375375), (25, 8415255), (51, 4125125), (61, 3448875), (75, 2805085), (85, 2475075), (125, 1683051), (183, 1149625), (255, 825025), (305, 689775), (375, 561017), (425, 495015), (541, 388875), (915, 229925), (1037, 202875), (1275, 165005), (1525, 137955), (1623, 129625), (2125, 99003), (2705, 77775), (3111, 67625), (4575, 45985), (5185, 40575), (6375, 33001), (7625, 27591), (8115, 25925), (9197, 22875), (13525, 15555)]