72020013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1171}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 110261760

約数和(自身を除く): 38241747

約数列:

[1, 3, 13, 19, 39, 57, 83, 247, 249, 741, 1079, 1171, 1577, 3237, 3513, 4731, 15223, 20501, 22249, 45669, 61503, 66747, 97193, 289237, 291579, 867711, 1263509, 1846667, 3790527, 5540001, 24006671, 72020013]

約数ペア:

[(1, 72020013), (3, 24006671), (13, 5540001), (19, 3790527), (39, 1846667), (57, 1263509), (83, 867711), (247, 291579), (249, 289237), (741, 97193), (1079, 66747), (1171, 61503), (1577, 45669), (3237, 22249), (3513, 20501), (4731, 15223)]