72503895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{859}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 123344640

約数和(自身を除く): 50840745

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 331, 859, 993, 1655, 2577, 4295, 4965, 5627, 12885, 14603, 16881, 28135, 43809, 73015, 84405, 219045, 284329, 852987, 1421645, 4264935, 4833593, 14500779, 24167965, 72503895]

約数ペア:

[(1, 72503895), (3, 24167965), (5, 14500779), (15, 4833593), (17, 4264935), (51, 1421645), (85, 852987), (255, 284329), (331, 219045), (859, 84405), (993, 73015), (1655, 43809), (2577, 28135), (4295, 16881), (4965, 14603), (5627, 12885)]