397345875

素因数分解:

$3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{9721}}^1$

素因数の和:9848

約数の個数: 32

約数和(自身を含む): 667318080

約数和(自身を除く): 269972205

約数列:

[1, 3, 5, 15, 25, 75, 109, 125, 327, 375, 545, 1635, 2725, 8175, 9721, 13625, 29163, 40875, 48605, 145815, 243025, 729075, 1059589, 1215125, 3178767, 3645375, 5297945, 15893835, 26489725, 79469175, 132448625, 397345875]

約数ペア:

[(1, 397345875), (3, 132448625), (5, 79469175), (15, 26489725), (25, 15893835), (75, 5297945), (109, 3645375), (125, 3178767), (327, 1215125), (375, 1059589), (545, 729075), (1635, 243025), (2725, 145815), (8175, 48605), (9721, 40875), (13625, 29163)]