281649474

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:653

約数の個数: 80

約数和(自身を含む): 654863616

約数和(自身を除く): 373214142

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 71, 81, 94, 141, 142, 162, 213, 282, 423, 426, 521, 639, 846, 1042, 1269, 1278, 1563, 1917, 2538, 3126, 3337, 3807, 3834, 4689, 5751, 6674, 7614, 9378, 10011, 11502, 14067, 20022, 24487, 28134, 30033, 36991, 42201, 48974, 60066, 73461, 73982, 84402, 90099, 110973, 146922, 180198, 220383, 221946, 270297, 332919, 440766, 540594, 661149, 665838, 998757, 1322298, 1738577, 1983447, 1997514, 2996271, 3477154, 3966894, 5215731, 5992542, 10431462, 15647193, 31294386, 46941579, 93883158, 140824737, 281649474]

約数ペア:

[(1, 281649474), (2, 140824737), (3, 93883158), (6, 46941579), (9, 31294386), (18, 15647193), (27, 10431462), (47, 5992542), (54, 5215731), (71, 3966894), (81, 3477154), (94, 2996271), (141, 1997514), (142, 1983447), (162, 1738577), (213, 1322298), (282, 998757), (423, 665838), (426, 661149), (521, 540594), (639, 440766), (846, 332919), (1042, 270297), (1269, 221946), (1278, 220383), (1563, 180198), (1917, 146922), (2538, 110973), (3126, 90099), (3337, 84402), (3807, 73982), (3834, 73461), (4689, 60066), (5751, 48974), (6674, 42201), (7614, 36991), (9378, 30033), (10011, 28134), (11502, 24487), (14067, 20022)]