66198375

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 126717552

約数和(自身を除く): 60519177

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 163, 171, 225, 285, 361, 375, 475, 489, 815, 855, 1083, 1125, 1425, 1467, 1805, 2375, 2445, 3097, 3249, 4075, 4275, 5415, 7125, 7335, 9025, 9291, 12225, 15485, 16245, 20375, 21375, 27075, 27873, 36675, 45125, 46455, 58843, 61125, 77425, 81225, 135375, 139365, 176529, 183375, 232275, 294215, 387125, 406125, 529587, 696825, 882645, 1161375, 1471075, 2647935, 3484125, 4413225, 7355375, 13239675, 22066125, 66198375]

約数ペア:

[(1, 66198375), (3, 22066125), (5, 13239675), (9, 7355375), (15, 4413225), (19, 3484125), (25, 2647935), (45, 1471075), (57, 1161375), (75, 882645), (95, 696825), (125, 529587), (163, 406125), (171, 387125), (225, 294215), (285, 232275), (361, 183375), (375, 176529), (475, 139365), (489, 135375), (815, 81225), (855, 77425), (1083, 61125), (1125, 58843), (1425, 46455), (1467, 45125), (1805, 36675), (2375, 27873), (2445, 27075), (3097, 21375), (3249, 20375), (4075, 16245), (4275, 15485), (5415, 12225), (7125, 9291), (7335, 9025)]