75620415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 137281536

約数和(自身を除く): 61661121

約数列:

[1, 3, 5, 13, 15, 37, 39, 47, 65, 111, 141, 185, 195, 223, 235, 481, 555, 611, 669, 705, 1115, 1443, 1739, 1833, 2405, 2899, 3055, 3345, 5217, 7215, 8251, 8695, 8697, 9165, 10481, 14495, 22607, 24753, 26085, 31443, 41255, 43485, 52405, 67821, 107263, 113035, 123765, 136253, 157215, 321789, 339105, 387797, 408759, 536315, 681265, 1163391, 1608945, 1938985, 2043795, 5041361, 5816955, 15124083, 25206805, 75620415]

約数ペア:

[(1, 75620415), (3, 25206805), (5, 15124083), (13, 5816955), (15, 5041361), (37, 2043795), (39, 1938985), (47, 1608945), (65, 1163391), (111, 681265), (141, 536315), (185, 408759), (195, 387797), (223, 339105), (235, 321789), (481, 157215), (555, 136253), (611, 123765), (669, 113035), (705, 107263), (1115, 67821), (1443, 52405), (1739, 43485), (1833, 41255), (2405, 31443), (2899, 26085), (3055, 24753), (3345, 22607), (5217, 14495), (7215, 10481), (8251, 9165), (8695, 8697)]