21167972325

素因数分解:

$3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{239389}}^1$

素因数の和:239539

約数の個数: 48

約数和(自身を含む): 39183355200

約数和(自身を除く): 18015382875

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 131, 135, 225, 393, 655, 675, 1179, 1965, 3275, 3537, 5895, 9825, 17685, 29475, 88425, 239389, 718167, 1196945, 2154501, 3590835, 5984725, 6463503, 10772505, 17954175, 31359959, 32317515, 53862525, 94079877, 156799795, 161587575, 282239631, 470399385, 783998975, 846718893, 1411198155, 2351996925, 4233594465, 7055990775, 21167972325]

約数ペア:

[(1, 21167972325), (3, 7055990775), (5, 4233594465), (9, 2351996925), (15, 1411198155), (25, 846718893), (27, 783998975), (45, 470399385), (75, 282239631), (131, 161587575), (135, 156799795), (225, 94079877), (393, 53862525), (655, 32317515), (675, 31359959), (1179, 17954175), (1965, 10772505), (3275, 6463503), (3537, 5984725), (5895, 3590835), (9825, 2154501), (17685, 1196945), (29475, 718167), (88425, 239389)]