40293897

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 62920704

約数和(自身を除く): 22626807

約数列:

[1, 3, 7, 21, 97, 131, 151, 291, 393, 453, 679, 917, 1057, 2037, 2751, 3171, 12707, 14647, 19781, 38121, 43941, 59343, 88949, 102529, 138467, 266847, 307587, 415401, 1918757, 5756271, 13431299, 40293897]

約数ペア:

[(1, 40293897), (3, 13431299), (7, 5756271), (21, 1918757), (97, 415401), (131, 307587), (151, 266847), (291, 138467), (393, 102529), (453, 88949), (679, 59343), (917, 43941), (1057, 38121), (2037, 19781), (2751, 14647), (3171, 12707)]