315535857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 534675456

約数和(自身を除く): 219139599

約数列:

[1, 3, 7, 13, 21, 39, 71, 73, 91, 213, 219, 223, 273, 497, 511, 669, 923, 949, 1491, 1533, 1561, 2769, 2847, 2899, 4683, 5183, 6461, 6643, 8697, 15549, 15833, 16279, 19383, 19929, 20293, 36281, 47499, 48837, 60879, 67379, 108843, 110831, 113953, 202137, 205829, 211627, 332493, 341859, 471653, 617487, 634881, 1155809, 1414959, 1440803, 1481389, 3467427, 4322409, 4444167, 8090663, 15025517, 24271989, 45076551, 105178619, 315535857]

約数ペア:

[(1, 315535857), (3, 105178619), (7, 45076551), (13, 24271989), (21, 15025517), (39, 8090663), (71, 4444167), (73, 4322409), (91, 3467427), (213, 1481389), (219, 1440803), (223, 1414959), (273, 1155809), (497, 634881), (511, 617487), (669, 471653), (923, 341859), (949, 332493), (1491, 211627), (1533, 205829), (1561, 202137), (2769, 113953), (2847, 110831), (2899, 108843), (4683, 67379), (5183, 60879), (6461, 48837), (6643, 47499), (8697, 36281), (15549, 20293), (15833, 19929), (16279, 19383)]