64608225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 118278144

約数和(自身を除く): 53669919

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 165, 213, 275, 355, 781, 825, 1065, 1103, 1775, 2343, 3309, 3905, 5325, 5515, 11715, 12133, 16545, 19525, 27575, 36399, 58575, 60665, 78313, 82725, 181995, 234939, 303325, 391565, 861443, 909975, 1174695, 1957825, 2584329, 4307215, 5873475, 12921645, 21536075, 64608225]

約数ペア:

[(1, 64608225), (3, 21536075), (5, 12921645), (11, 5873475), (15, 4307215), (25, 2584329), (33, 1957825), (55, 1174695), (71, 909975), (75, 861443), (165, 391565), (213, 303325), (275, 234939), (355, 181995), (781, 82725), (825, 78313), (1065, 60665), (1103, 58575), (1775, 36399), (2343, 27575), (3309, 19525), (3905, 16545), (5325, 12133), (5515, 11715)]