315666

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 786240

約数和(自身を除く): 470574

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 71, 78, 114, 117, 142, 171, 213, 234, 247, 342, 426, 494, 639, 741, 923, 1278, 1349, 1482, 1846, 2223, 2698, 2769, 4047, 4446, 5538, 8094, 8307, 12141, 16614, 17537, 24282, 35074, 52611, 105222, 157833, 315666]

約数ペア:

[(1, 315666), (2, 157833), (3, 105222), (6, 52611), (9, 35074), (13, 24282), (18, 17537), (19, 16614), (26, 12141), (38, 8307), (39, 8094), (57, 5538), (71, 4446), (78, 4047), (114, 2769), (117, 2698), (142, 2223), (171, 1846), (213, 1482), (234, 1349), (247, 1278), (342, 923), (426, 741), (494, 639)]