220171845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{21059}}^1$

素因数の和:21125

約数の個数: 32

約数和(自身を含む): 382112640

約数和(自身を除く): 161940795

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 10455, 21059, 63177, 105295, 315885, 358003, 863419, 1074009, 1790015, 2590257, 4317095, 5370045, 12951285, 14678123, 44034369, 73390615, 220171845]

約数ペア:

[(1, 220171845), (3, 73390615), (5, 44034369), (15, 14678123), (17, 12951285), (41, 5370045), (51, 4317095), (85, 2590257), (123, 1790015), (205, 1074009), (255, 863419), (615, 358003), (697, 315885), (2091, 105295), (3485, 63177), (10455, 21059)]