15721204577

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1\times {\mathrm{509}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 17576109600

約数和(自身を除く): 1854905023

約数列:

[1, 13, 37, 157, 409, 481, 509, 2041, 5317, 5809, 6617, 15133, 18833, 64213, 75517, 79913, 196729, 208181, 244829, 834769, 1038869, 2375881, 2706353, 2956781, 7702697, 30886453, 32684417, 38438153, 100135061, 424897421, 1209323429, 15721204577]

約数ペア:

[(1, 15721204577), (13, 1209323429), (37, 424897421), (157, 100135061), (409, 38438153), (481, 32684417), (509, 30886453), (2041, 7702697), (5317, 2956781), (5809, 2706353), (6617, 2375881), (15133, 1038869), (18833, 834769), (64213, 244829), (75517, 208181), (79913, 196729)]