16858947

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 29491200

約数和(自身を除く): 12632253

約数列:

[1, 3, 7, 19, 21, 29, 31, 47, 57, 87, 93, 133, 141, 203, 217, 329, 399, 551, 589, 609, 651, 893, 899, 987, 1363, 1457, 1653, 1767, 2679, 2697, 3857, 4089, 4123, 4371, 6251, 6293, 9541, 10199, 11571, 12369, 17081, 18753, 18879, 25897, 27683, 28623, 30597, 42253, 51243, 77691, 83049, 119567, 126759, 181279, 193781, 295771, 358701, 543837, 581343, 802807, 887313, 2408421, 5619649, 16858947]

約数ペア:

[(1, 16858947), (3, 5619649), (7, 2408421), (19, 887313), (21, 802807), (29, 581343), (31, 543837), (47, 358701), (57, 295771), (87, 193781), (93, 181279), (133, 126759), (141, 119567), (203, 83049), (217, 77691), (329, 51243), (399, 42253), (551, 30597), (589, 28623), (609, 27683), (651, 25897), (893, 18879), (899, 18753), (987, 17081), (1363, 12369), (1457, 11571), (1653, 10199), (1767, 9541), (2679, 6293), (2697, 6251), (3857, 4371), (4089, 4123)]