28141407

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 48372480

約数和(自身を除く): 20231073

約数列:

[1, 3, 7, 9, 21, 59, 63, 67, 113, 177, 201, 339, 413, 469, 531, 603, 791, 1017, 1239, 1407, 2373, 3717, 3953, 4221, 6667, 7119, 7571, 11859, 20001, 22713, 27671, 35577, 46669, 52997, 60003, 68139, 83013, 140007, 158991, 249039, 420021, 446689, 476973, 1340067, 3126823, 4020201, 9380469, 28141407]

約数ペア:

[(1, 28141407), (3, 9380469), (7, 4020201), (9, 3126823), (21, 1340067), (59, 476973), (63, 446689), (67, 420021), (113, 249039), (177, 158991), (201, 140007), (339, 83013), (413, 68139), (469, 60003), (531, 52997), (603, 46669), (791, 35577), (1017, 27671), (1239, 22713), (1407, 20001), (2373, 11859), (3717, 7571), (3953, 7119), (4221, 6667)]