354791409

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 592831008

約数和(自身を除く): 238039599

約数列:

[1, 3, 7, 21, 37, 41, 43, 49, 111, 123, 129, 147, 259, 287, 301, 777, 861, 903, 1369, 1517, 1591, 1763, 1813, 2009, 2107, 4107, 4551, 4773, 5289, 5439, 6027, 6321, 9583, 10619, 11137, 12341, 28749, 31857, 33411, 37023, 56129, 58867, 65231, 67081, 74333, 77959, 86387, 168387, 176601, 195693, 201243, 222999, 233877, 259161, 392903, 412069, 456617, 1178709, 1236207, 1369851, 2413547, 2750321, 2884483, 3196319, 7240641, 8250963, 8653449, 9588957, 16894829, 50684487, 118263803, 354791409]

約数ペア:

[(1, 354791409), (3, 118263803), (7, 50684487), (21, 16894829), (37, 9588957), (41, 8653449), (43, 8250963), (49, 7240641), (111, 3196319), (123, 2884483), (129, 2750321), (147, 2413547), (259, 1369851), (287, 1236207), (301, 1178709), (777, 456617), (861, 412069), (903, 392903), (1369, 259161), (1517, 233877), (1591, 222999), (1763, 201243), (1813, 195693), (2009, 176601), (2107, 168387), (4107, 86387), (4551, 77959), (4773, 74333), (5289, 67081), (5439, 65231), (6027, 58867), (6321, 56129), (9583, 37023), (10619, 33411), (11137, 31857), (12341, 28749)]