67921497

素因数分解:

$3^4\times 7^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 60

約数和(自身を含む): 119869860

約数和(自身を除く): 51948363

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 109, 147, 157, 189, 327, 441, 471, 567, 763, 981, 1099, 1323, 1413, 2289, 2943, 3297, 3969, 4239, 5341, 6867, 7693, 8829, 9891, 12717, 16023, 17113, 20601, 23079, 29673, 48069, 51339, 61803, 69237, 89019, 119791, 144207, 154017, 207711, 359373, 432621, 462051, 623133, 838537, 1078119, 1386153, 2515611, 3234357, 7546833, 9703071, 22640499, 67921497]

約数ペア:

[(1, 67921497), (3, 22640499), (7, 9703071), (9, 7546833), (21, 3234357), (27, 2515611), (49, 1386153), (63, 1078119), (81, 838537), (109, 623133), (147, 462051), (157, 432621), (189, 359373), (327, 207711), (441, 154017), (471, 144207), (567, 119791), (763, 89019), (981, 69237), (1099, 61803), (1323, 51339), (1413, 48069), (2289, 29673), (2943, 23079), (3297, 20601), (3969, 17113), (4239, 16023), (5341, 12717), (6867, 9891), (7693, 8829)]