2013250545

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{261631}}^1$

素因数の和:261667

約数の個数: 40

約数和(自身を含む): 3798896640

約数和(自身を除く): 1785646095

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 261631, 784893, 1308155, 2354679, 3924465, 4970989, 7064037, 11773395, 14912967, 21192111, 24854945, 35320185, 44738901, 74564835, 105960555, 134216703, 223694505, 402650109, 671083515, 2013250545]

約数ペア:

[(1, 2013250545), (3, 671083515), (5, 402650109), (9, 223694505), (15, 134216703), (19, 105960555), (27, 74564835), (45, 44738901), (57, 35320185), (81, 24854945), (95, 21192111), (135, 14912967), (171, 11773395), (285, 7064037), (405, 4970989), (513, 3924465), (855, 2354679), (1539, 1308155), (2565, 784893), (7695, 261631)]