17902105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{953}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 24601752

約数和(自身を除く): 6699647

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 953, 1105, 1445, 3757, 4765, 12389, 16201, 18785, 61945, 81005, 210613, 275417, 1053065, 1377085, 3580421, 17902105]

約数ペア:

[(1, 17902105), (5, 3580421), (13, 1377085), (17, 1053065), (65, 275417), (85, 210613), (221, 81005), (289, 61945), (953, 18785), (1105, 16201), (1445, 12389), (3757, 4765)]