222445251

素因数分解:

$3^3\times 7^2\times {\mathrm{383}}^1\times {\mathrm{439}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 385228800

約数和(自身を除く): 162783549

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 383, 439, 441, 1149, 1317, 1323, 2681, 3073, 3447, 3951, 8043, 9219, 10341, 11853, 18767, 21511, 24129, 27657, 56301, 64533, 72387, 82971, 168137, 168903, 193599, 504411, 506709, 580797, 1176959, 1513233, 3530877, 4539699, 8238713, 10592631, 24716139, 31777893, 74148417, 222445251]

約数ペア:

[(1, 222445251), (3, 74148417), (7, 31777893), (9, 24716139), (21, 10592631), (27, 8238713), (49, 4539699), (63, 3530877), (147, 1513233), (189, 1176959), (383, 580797), (439, 506709), (441, 504411), (1149, 193599), (1317, 168903), (1323, 168137), (2681, 82971), (3073, 72387), (3447, 64533), (3951, 56301), (8043, 27657), (9219, 24129), (10341, 21511), (11853, 18767)]