201443775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 376868736

約数和(自身を除く): 175424961

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 169, 195, 299, 325, 345, 507, 575, 691, 845, 897, 975, 1495, 1725, 2073, 2535, 3455, 3887, 4225, 4485, 7475, 8983, 10365, 11661, 12675, 15893, 17275, 19435, 22425, 26949, 44915, 47679, 51825, 58305, 79465, 97175, 116779, 134745, 206609, 224575, 238395, 291525, 350337, 397325, 583895, 619827, 673725, 1033045, 1191975, 1751685, 2685917, 2919475, 3099135, 5165225, 8057751, 8758425, 13429585, 15495675, 40288755, 67147925, 201443775]

約数ペア:

[(1, 201443775), (3, 67147925), (5, 40288755), (13, 15495675), (15, 13429585), (23, 8758425), (25, 8057751), (39, 5165225), (65, 3099135), (69, 2919475), (75, 2685917), (115, 1751685), (169, 1191975), (195, 1033045), (299, 673725), (325, 619827), (345, 583895), (507, 397325), (575, 350337), (691, 291525), (845, 238395), (897, 224575), (975, 206609), (1495, 134745), (1725, 116779), (2073, 97175), (2535, 79465), (3455, 58305), (3887, 51825), (4225, 47679), (4485, 44915), (7475, 26949), (8983, 22425), (10365, 19435), (11661, 17275), (12675, 15893)]