21611435325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{152381}}^1$

素因数の和:152486

約数の個数: 48

約数和(自身を含む): 37488410112

約数和(自身を除く): 15876974787

約数列:

[1, 3, 5, 15, 25, 31, 61, 75, 93, 155, 183, 305, 465, 775, 915, 1525, 1891, 2325, 4575, 5673, 9455, 28365, 47275, 141825, 152381, 457143, 761905, 2285715, 3809525, 4723811, 9295241, 11428575, 14171433, 23619055, 27885723, 46476205, 70857165, 118095275, 139428615, 232381025, 288152471, 354285825, 697143075, 864457413, 1440762355, 4322287065, 7203811775, 21611435325]

約数ペア:

[(1, 21611435325), (3, 7203811775), (5, 4322287065), (15, 1440762355), (25, 864457413), (31, 697143075), (61, 354285825), (75, 288152471), (93, 232381025), (155, 139428615), (183, 118095275), (305, 70857165), (465, 46476205), (775, 27885723), (915, 23619055), (1525, 14171433), (1891, 11428575), (2325, 9295241), (4575, 4723811), (5673, 3809525), (9455, 2285715), (28365, 761905), (47275, 457143), (141825, 152381)]