28922985

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 62866440

約数和(自身を除く): 33943455

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 735, 819, 1009, 1365, 1911, 2205, 3027, 3185, 4095, 5045, 5733, 7063, 9081, 9555, 13117, 15135, 21189, 28665, 35315, 39351, 45405, 49441, 63567, 65585, 91819, 105945, 118053, 148323, 196755, 247205, 275457, 317835, 444969, 459095, 590265, 642733, 741615, 826371, 1377285, 1928199, 2224845, 3213665, 4131855, 5784597, 9640995, 28922985]

約数ペア:

[(1, 28922985), (3, 9640995), (5, 5784597), (7, 4131855), (9, 3213665), (13, 2224845), (15, 1928199), (21, 1377285), (35, 826371), (39, 741615), (45, 642733), (49, 590265), (63, 459095), (65, 444969), (91, 317835), (105, 275457), (117, 247205), (147, 196755), (195, 148323), (245, 118053), (273, 105945), (315, 91819), (441, 65585), (455, 63567), (585, 49441), (637, 45405), (735, 39351), (819, 35315), (1009, 28665), (1365, 21189), (1911, 15135), (2205, 13117), (3027, 9555), (3185, 9081), (4095, 7063), (5045, 5733)]