3640281687

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{907}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 6459148800

約数和(自身を除く): 2818867113

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 479, 907, 931, 1197, 1437, 2721, 2793, 3353, 4311, 6349, 8163, 8379, 9101, 10059, 17233, 19047, 23471, 27303, 30177, 44443, 51699, 57141, 63707, 70413, 81909, 120631, 133329, 155097, 191121, 211239, 361893, 399987, 434453, 445949, 573363, 844417, 1085679, 1303359, 1337847, 2533251, 3041171, 3910077, 4013541, 7599753, 8254607, 9123513, 21288197, 24763821, 27370539, 57782249, 63864591, 74291463, 173346747, 191593773, 404475743, 520040241, 1213427229, 3640281687]

約数ペア:

[(1, 3640281687), (3, 1213427229), (7, 520040241), (9, 404475743), (19, 191593773), (21, 173346747), (49, 74291463), (57, 63864591), (63, 57782249), (133, 27370539), (147, 24763821), (171, 21288197), (399, 9123513), (441, 8254607), (479, 7599753), (907, 4013541), (931, 3910077), (1197, 3041171), (1437, 2533251), (2721, 1337847), (2793, 1303359), (3353, 1085679), (4311, 844417), (6349, 573363), (8163, 445949), (8379, 434453), (9101, 399987), (10059, 361893), (17233, 211239), (19047, 191121), (23471, 155097), (27303, 133329), (30177, 120631), (44443, 81909), (51699, 70413), (57141, 63707)]