200490615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 386083152

約数和(自身を除く): 185592537

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 169, 195, 205, 369, 507, 533, 585, 615, 643, 845, 1521, 1599, 1845, 1929, 2535, 2665, 3215, 4797, 5787, 6929, 7605, 7995, 8359, 9645, 20787, 23985, 25077, 26363, 28935, 34645, 41795, 62361, 75231, 79089, 103935, 108667, 125385, 131815, 237267, 311805, 326001, 342719, 376155, 395445, 543335, 978003, 1028157, 1186335, 1630005, 1713595, 3084471, 4455347, 4890015, 5140785, 13366041, 15422355, 22276735, 40098123, 66830205, 200490615]

約数ペア:

[(1, 200490615), (3, 66830205), (5, 40098123), (9, 22276735), (13, 15422355), (15, 13366041), (39, 5140785), (41, 4890015), (45, 4455347), (65, 3084471), (117, 1713595), (123, 1630005), (169, 1186335), (195, 1028157), (205, 978003), (369, 543335), (507, 395445), (533, 376155), (585, 342719), (615, 326001), (643, 311805), (845, 237267), (1521, 131815), (1599, 125385), (1845, 108667), (1929, 103935), (2535, 79089), (2665, 75231), (3215, 62361), (4797, 41795), (5787, 34645), (6929, 28935), (7605, 26363), (7995, 25077), (8359, 23985), (9645, 20787)]