72315945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 139942296

約数和(自身を除く): 67626351

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 169, 185, 195, 257, 333, 481, 507, 555, 585, 771, 845, 1285, 1443, 1521, 1665, 2313, 2405, 2535, 3341, 3855, 4329, 6253, 7215, 7605, 9509, 10023, 11565, 16705, 18759, 21645, 28527, 30069, 31265, 43433, 47545, 50115, 56277, 85581, 93795, 123617, 130299, 142635, 150345, 217165, 281385, 370851, 390897, 427905, 618085, 651495, 1112553, 1607021, 1854255, 1954485, 4821063, 5562765, 8035105, 14463189, 24105315, 72315945]

約数ペア:

[(1, 72315945), (3, 24105315), (5, 14463189), (9, 8035105), (13, 5562765), (15, 4821063), (37, 1954485), (39, 1854255), (45, 1607021), (65, 1112553), (111, 651495), (117, 618085), (169, 427905), (185, 390897), (195, 370851), (257, 281385), (333, 217165), (481, 150345), (507, 142635), (555, 130299), (585, 123617), (771, 93795), (845, 85581), (1285, 56277), (1443, 50115), (1521, 47545), (1665, 43433), (2313, 31265), (2405, 30069), (2535, 28527), (3341, 21645), (3855, 18759), (4329, 16705), (6253, 11565), (7215, 10023), (7605, 9509)]