15727725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 32046560

約数和(自身を除く): 16318835

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 283, 285, 325, 475, 585, 741, 849, 855, 975, 1235, 1415, 1425, 2223, 2547, 2925, 3679, 3705, 4245, 4275, 5377, 6175, 7075, 11037, 11115, 12735, 16131, 18395, 18525, 21225, 26885, 33111, 48393, 55185, 55575, 63675, 69901, 80655, 91975, 134425, 165555, 209703, 241965, 275925, 349505, 403275, 629109, 827775, 1048515, 1209825, 1747525, 3145545, 5242575, 15727725]

約数ペア:

[(1, 15727725), (3, 5242575), (5, 3145545), (9, 1747525), (13, 1209825), (15, 1048515), (19, 827775), (25, 629109), (39, 403275), (45, 349505), (57, 275925), (65, 241965), (75, 209703), (95, 165555), (117, 134425), (171, 91975), (195, 80655), (225, 69901), (247, 63675), (283, 55575), (285, 55185), (325, 48393), (475, 33111), (585, 26885), (741, 21225), (849, 18525), (855, 18395), (975, 16131), (1235, 12735), (1415, 11115), (1425, 11037), (2223, 7075), (2547, 6175), (2925, 5377), (3679, 4275), (3705, 4245)]