2161425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 4285440

約数和(自身を除く): 2124015

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 179, 345, 483, 525, 537, 575, 805, 895, 1253, 1725, 2415, 2685, 3759, 4025, 4117, 4475, 6265, 12075, 12351, 13425, 18795, 20585, 28819, 31325, 61755, 86457, 93975, 102925, 144095, 308775, 432285, 720475, 2161425]

約数ペア:

[(1, 2161425), (3, 720475), (5, 432285), (7, 308775), (15, 144095), (21, 102925), (23, 93975), (25, 86457), (35, 61755), (69, 31325), (75, 28819), (105, 20585), (115, 18795), (161, 13425), (175, 12351), (179, 12075), (345, 6265), (483, 4475), (525, 4117), (537, 4025), (575, 3759), (805, 2685), (895, 2415), (1253, 1725)]