219921858

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8467}}^1$

素因数の和:8528

約数の個数: 64

約数和(自身を含む): 540597120

約数和(自身を除く): 320675262

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 222, 234, 333, 351, 481, 666, 702, 962, 999, 1443, 1998, 2886, 4329, 8467, 8658, 12987, 16934, 25401, 25974, 50802, 76203, 110071, 152406, 220142, 228609, 313279, 330213, 457218, 626558, 660426, 939837, 990639, 1879674, 1981278, 2819511, 2971917, 4072627, 5639022, 5943834, 8145254, 8458533, 12217881, 16917066, 24435762, 36653643, 73307286, 109960929, 219921858]

約数ペア:

[(1, 219921858), (2, 109960929), (3, 73307286), (6, 36653643), (9, 24435762), (13, 16917066), (18, 12217881), (26, 8458533), (27, 8145254), (37, 5943834), (39, 5639022), (54, 4072627), (74, 2971917), (78, 2819511), (111, 1981278), (117, 1879674), (222, 990639), (234, 939837), (333, 660426), (351, 626558), (481, 457218), (666, 330213), (702, 313279), (962, 228609), (999, 220142), (1443, 152406), (1998, 110071), (2886, 76203), (4329, 50802), (8467, 25974), (8658, 25401), (12987, 16934)]