75213999

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 127974912

約数和(自身を除く): 52760913

約数列:

[1, 3, 7, 9, 21, 63, 67, 103, 173, 201, 309, 469, 519, 603, 721, 927, 1211, 1407, 1557, 2163, 3633, 4221, 6489, 6901, 10899, 11591, 17819, 20703, 34773, 48307, 53457, 62109, 81137, 104319, 124733, 144921, 160371, 243411, 374199, 434763, 730233, 1122597, 1193873, 3581619, 8357111, 10744857, 25071333, 75213999]

約数ペア:

[(1, 75213999), (3, 25071333), (7, 10744857), (9, 8357111), (21, 3581619), (63, 1193873), (67, 1122597), (103, 730233), (173, 434763), (201, 374199), (309, 243411), (469, 160371), (519, 144921), (603, 124733), (721, 104319), (927, 81137), (1211, 62109), (1407, 53457), (1557, 48307), (2163, 34773), (3633, 20703), (4221, 17819), (6489, 11591), (6901, 10899)]