721526169

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{761}}^1$

素因数の和:958

約数の個数: 64

約数和(自身を含む): 1245339648

約数和(自身を除く): 523813479

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 151, 161, 273, 299, 453, 483, 761, 897, 1057, 1963, 2093, 2283, 3171, 3473, 5327, 5889, 6279, 9893, 10419, 13741, 15981, 17503, 24311, 29679, 41223, 45149, 52509, 69251, 72933, 114911, 122521, 135447, 207753, 227539, 316043, 344733, 367563, 682617, 804377, 948129, 1493843, 1592773, 2413131, 2642953, 4481529, 4778319, 7928859, 10456901, 18500671, 31370703, 34358389, 55502013, 103075167, 240508723, 721526169]

約数ペア:

[(1, 721526169), (3, 240508723), (7, 103075167), (13, 55502013), (21, 34358389), (23, 31370703), (39, 18500671), (69, 10456901), (91, 7928859), (151, 4778319), (161, 4481529), (273, 2642953), (299, 2413131), (453, 1592773), (483, 1493843), (761, 948129), (897, 804377), (1057, 682617), (1963, 367563), (2093, 344733), (2283, 316043), (3171, 227539), (3473, 207753), (5327, 135447), (5889, 122521), (6279, 114911), (9893, 72933), (10419, 69251), (13741, 52509), (15981, 45149), (17503, 41223), (24311, 29679)]