67780845

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 129168000

約数和(自身を除く): 61387155

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 149, 165, 447, 495, 745, 919, 1341, 1639, 2235, 2757, 4595, 4917, 6705, 8195, 8271, 10109, 13785, 14751, 24585, 30327, 41355, 50545, 73755, 90981, 136931, 151635, 410793, 454905, 684655, 1232379, 1506241, 2053965, 4518723, 6161895, 7531205, 13556169, 22593615, 67780845]

約数ペア:

[(1, 67780845), (3, 22593615), (5, 13556169), (9, 7531205), (11, 6161895), (15, 4518723), (33, 2053965), (45, 1506241), (55, 1232379), (99, 684655), (149, 454905), (165, 410793), (447, 151635), (495, 136931), (745, 90981), (919, 73755), (1341, 50545), (1639, 41355), (2235, 30327), (2757, 24585), (4595, 14751), (4917, 13785), (6705, 10109), (8195, 8271)]