78631965

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6263}}^1$

素因数の和:6311

約数の個数: 40

約数和(自身を含む): 145525248

約数和(自身を除く): 66893283

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 6263, 12555, 18789, 31315, 56367, 93945, 169101, 194153, 281835, 507303, 582459, 845505, 970765, 1747377, 2536515, 2912295, 5242131, 8736885, 15726393, 26210655, 78631965]

約数ペア:

[(1, 78631965), (3, 26210655), (5, 15726393), (9, 8736885), (15, 5242131), (27, 2912295), (31, 2536515), (45, 1747377), (81, 970765), (93, 845505), (135, 582459), (155, 507303), (279, 281835), (405, 194153), (465, 169101), (837, 93945), (1395, 56367), (2511, 31315), (4185, 18789), (6263, 12555)]