75721215

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 123535872

約数和(自身を除く): 47814657

約数列:

[1, 3, 5, 15, 101, 151, 303, 331, 453, 505, 755, 993, 1515, 1655, 2265, 4965, 15251, 33431, 45753, 49981, 76255, 100293, 149943, 167155, 228765, 249905, 501465, 749715, 5048081, 15144243, 25240405, 75721215]

約数ペア:

[(1, 75721215), (3, 25240405), (5, 15144243), (15, 5048081), (101, 749715), (151, 501465), (303, 249905), (331, 228765), (453, 167155), (505, 149943), (755, 100293), (993, 76255), (1515, 49981), (1655, 45753), (2265, 33431), (4965, 15251)]