4443885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 8429616

約数和(自身を除く): 3985731

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 157, 185, 255, 333, 471, 555, 629, 765, 785, 1413, 1665, 1887, 2355, 2669, 3145, 5661, 5809, 7065, 8007, 9435, 13345, 17427, 24021, 28305, 29045, 40035, 52281, 87135, 98753, 120105, 261405, 296259, 493765, 888777, 1481295, 4443885]

約数ペア:

[(1, 4443885), (3, 1481295), (5, 888777), (9, 493765), (15, 296259), (17, 261405), (37, 120105), (45, 98753), (51, 87135), (85, 52281), (111, 40035), (153, 29045), (157, 28305), (185, 24021), (255, 17427), (333, 13345), (471, 9435), (555, 8007), (629, 7065), (765, 5809), (785, 5661), (1413, 3145), (1665, 2669), (1887, 2355)]