31027725

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 58379200

約数和(自身を除く): 27351475

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1069, 1075, 1161, 1935, 3207, 3225, 5345, 5805, 9621, 9675, 16035, 26725, 28863, 29025, 45967, 48105, 80175, 137901, 144315, 229835, 240525, 413703, 689505, 721575, 1149175, 1241109, 2068515, 3447525, 6205545, 10342575, 31027725]

約数ペア:

[(1, 31027725), (3, 10342575), (5, 6205545), (9, 3447525), (15, 2068515), (25, 1241109), (27, 1149175), (43, 721575), (45, 689505), (75, 413703), (129, 240525), (135, 229835), (215, 144315), (225, 137901), (387, 80175), (645, 48105), (675, 45967), (1069, 29025), (1075, 28863), (1161, 26725), (1935, 16035), (3207, 9675), (3225, 9621), (5345, 5805)]