81687852

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{2711}}^1$

素因数の和:2761

約数の個数: 72

約数和(自身を含む): 221125632

約数和(自身を除く): 139437780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 837, 972, 1116, 1674, 2511, 2711, 3348, 5022, 5422, 7533, 8133, 10044, 10844, 15066, 16266, 24399, 30132, 32532, 48798, 73197, 84041, 97596, 146394, 168082, 219591, 252123, 292788, 336164, 439182, 504246, 658773, 756369, 878364, 1008492, 1317546, 1512738, 2269107, 2635092, 3025476, 4538214, 6807321, 9076428, 13614642, 20421963, 27229284, 40843926, 81687852]

約数ペア:

[(1, 81687852), (2, 40843926), (3, 27229284), (4, 20421963), (6, 13614642), (9, 9076428), (12, 6807321), (18, 4538214), (27, 3025476), (31, 2635092), (36, 2269107), (54, 1512738), (62, 1317546), (81, 1008492), (93, 878364), (108, 756369), (124, 658773), (162, 504246), (186, 439182), (243, 336164), (279, 292788), (324, 252123), (372, 219591), (486, 168082), (558, 146394), (837, 97596), (972, 84041), (1116, 73197), (1674, 48798), (2511, 32532), (2711, 30132), (3348, 24399), (5022, 16266), (5422, 15066), (7533, 10844), (8133, 10044)]