13727025

素因数分解:

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

素因数の和:80

約数の個数: 81

約数和(自身を含む): 28098369

約数和(自身を除く): 14371344

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 169, 171, 195, 225, 247, 285, 325, 361, 475, 507, 585, 741, 845, 855, 975, 1083, 1235, 1425, 1521, 1805, 2223, 2535, 2925, 3211, 3249, 3705, 4225, 4275, 4693, 5415, 6175, 7605, 9025, 9633, 11115, 12675, 14079, 16055, 16245, 18525, 23465, 27075, 28899, 38025, 42237, 48165, 55575, 61009, 70395, 80275, 81225, 117325, 144495, 183027, 211185, 240825, 305045, 351975, 549081, 722475, 915135, 1055925, 1525225, 2745405, 4575675, 13727025]

約数ペア:

[(1, 13727025), (3, 4575675), (5, 2745405), (9, 1525225), (13, 1055925), (15, 915135), (19, 722475), (25, 549081), (39, 351975), (45, 305045), (57, 240825), (65, 211185), (75, 183027), (95, 144495), (117, 117325), (169, 81225), (171, 80275), (195, 70395), (225, 61009), (247, 55575), (285, 48165), (325, 42237), (361, 38025), (475, 28899), (507, 27075), (585, 23465), (741, 18525), (845, 16245), (855, 16055), (975, 14079), (1083, 12675), (1235, 11115), (1425, 9633), (1521, 9025), (1805, 7605), (2223, 6175), (2535, 5415), (2925, 4693), (3211, 4275), (3249, 4225)]