28795065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 51403968

約数和(自身を除く): 22608903

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 169, 185, 195, 307, 481, 507, 555, 845, 921, 1443, 1535, 2405, 2535, 3991, 4605, 6253, 7215, 11359, 11973, 18759, 19955, 31265, 34077, 51883, 56795, 59865, 93795, 147667, 155649, 170385, 259415, 443001, 738335, 778245, 1919671, 2215005, 5759013, 9598355, 28795065]

約数ペア:

[(1, 28795065), (3, 9598355), (5, 5759013), (13, 2215005), (15, 1919671), (37, 778245), (39, 738335), (65, 443001), (111, 259415), (169, 170385), (185, 155649), (195, 147667), (307, 93795), (481, 59865), (507, 56795), (555, 51883), (845, 34077), (921, 31265), (1443, 19955), (1535, 18759), (2405, 11973), (2535, 11359), (3991, 7215), (4605, 6253)]