22387491

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 39686400

約数和(自身を除く): 17298909

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 171, 177, 317, 399, 413, 531, 951, 1121, 1197, 1239, 2219, 2853, 3363, 3717, 6023, 6657, 7847, 10089, 18069, 18703, 19971, 23541, 42161, 54207, 56109, 70623, 126483, 130921, 168327, 355357, 379449, 392763, 1066071, 1178289, 2487499, 3198213, 7462497, 22387491]

約数ペア:

[(1, 22387491), (3, 7462497), (7, 3198213), (9, 2487499), (19, 1178289), (21, 1066071), (57, 392763), (59, 379449), (63, 355357), (133, 168327), (171, 130921), (177, 126483), (317, 70623), (399, 56109), (413, 54207), (531, 42161), (951, 23541), (1121, 19971), (1197, 18703), (1239, 18069), (2219, 10089), (2853, 7847), (3363, 6657), (3717, 6023)]