28218645

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2297}}^1$

素因数の和:2331

約数の個数: 64

約数和(自身を含む): 61770240

約数和(自身を除く): 33551595

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1755, 2297, 2457, 4095, 6891, 11485, 12285, 16079, 20673, 29861, 34455, 48237, 62019, 80395, 89583, 103365, 144711, 149305, 209027, 241185, 268749, 310095, 434133, 447915, 627081, 723555, 806247, 1045135, 1343745, 1881243, 2170665, 3135405, 4031235, 5643729, 9406215, 28218645]

約数ペア:

[(1, 28218645), (3, 9406215), (5, 5643729), (7, 4031235), (9, 3135405), (13, 2170665), (15, 1881243), (21, 1343745), (27, 1045135), (35, 806247), (39, 723555), (45, 627081), (63, 447915), (65, 434133), (91, 310095), (105, 268749), (117, 241185), (135, 209027), (189, 149305), (195, 144711), (273, 103365), (315, 89583), (351, 80395), (455, 62019), (585, 48237), (819, 34455), (945, 29861), (1365, 20673), (1755, 16079), (2297, 12285), (2457, 11485), (4095, 6891)]