258532839

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 400667904

約数和(自身を除く): 142135065

約数列:

[1, 3, 9, 31, 41, 93, 97, 123, 233, 279, 291, 369, 699, 873, 1271, 2097, 3007, 3813, 3977, 7223, 9021, 9553, 11439, 11931, 21669, 22601, 27063, 28659, 35793, 65007, 67803, 85977, 123287, 203409, 296143, 369861, 700631, 888429, 926641, 1109583, 2101893, 2665287, 2779923, 6305679, 8339769, 28725871, 86177613, 258532839]

約数ペア:

[(1, 258532839), (3, 86177613), (9, 28725871), (31, 8339769), (41, 6305679), (93, 2779923), (97, 2665287), (123, 2101893), (233, 1109583), (279, 926641), (291, 888429), (369, 700631), (699, 369861), (873, 296143), (1271, 203409), (2097, 123287), (3007, 85977), (3813, 67803), (3977, 65007), (7223, 35793), (9021, 28659), (9553, 27063), (11439, 22601), (11931, 21669)]