71317815

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2447}}^1$

素因数の和:2551

約数の個数: 32

約数和(自身を含む): 119854080

約数和(自身を除く): 48536265

約数列:

[1, 3, 5, 15, 29, 67, 87, 145, 201, 335, 435, 1005, 1943, 2447, 5829, 7341, 9715, 12235, 29145, 36705, 70963, 163949, 212889, 354815, 491847, 819745, 1064445, 2459235, 4754521, 14263563, 23772605, 71317815]

約数ペア:

[(1, 71317815), (3, 23772605), (5, 14263563), (15, 4754521), (29, 2459235), (67, 1064445), (87, 819745), (145, 491847), (201, 354815), (335, 212889), (435, 163949), (1005, 70963), (1943, 36705), (2447, 29145), (5829, 12235), (7341, 9715)]