220152303

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 386580480

約数和(自身を除く): 166428177

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 103, 129, 189, 263, 301, 309, 387, 721, 789, 903, 927, 1161, 1841, 2163, 2367, 2709, 2781, 4429, 5523, 6489, 7101, 8127, 11309, 13287, 16569, 19467, 27089, 31003, 33927, 39861, 49707, 79163, 81267, 93009, 101781, 119583, 189623, 237489, 243801, 279027, 305343, 568869, 712467, 731403, 837081, 1164827, 1706607, 2137401, 3494481, 5119821, 8153789, 10483443, 24461367, 31450329, 73384101, 220152303]

約数ペア:

[(1, 220152303), (3, 73384101), (7, 31450329), (9, 24461367), (21, 10483443), (27, 8153789), (43, 5119821), (63, 3494481), (103, 2137401), (129, 1706607), (189, 1164827), (263, 837081), (301, 731403), (309, 712467), (387, 568869), (721, 305343), (789, 279027), (903, 243801), (927, 237489), (1161, 189623), (1841, 119583), (2163, 101781), (2367, 93009), (2709, 81267), (2781, 79163), (4429, 49707), (5523, 39861), (6489, 33927), (7101, 31003), (8127, 27089), (11309, 19467), (13287, 16569)]