201857019

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 343701792

約数和(自身を除く): 141844773

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 371, 637, 689, 1113, 1911, 1993, 2067, 2597, 4823, 5979, 7791, 13951, 14469, 25909, 33761, 41853, 77727, 97657, 101283, 105629, 181363, 292971, 316887, 544089, 739403, 1269541, 1373177, 2218209, 3808623, 4119531, 5175821, 9612239, 15527463, 28836717, 67285673, 201857019]

約数ペア:

[(1, 201857019), (3, 67285673), (7, 28836717), (13, 15527463), (21, 9612239), (39, 5175821), (49, 4119531), (53, 3808623), (91, 2218209), (147, 1373177), (159, 1269541), (273, 739403), (371, 544089), (637, 316887), (689, 292971), (1113, 181363), (1911, 105629), (1993, 101283), (2067, 97657), (2597, 77727), (4823, 41853), (5979, 33761), (7791, 25909), (13951, 14469)]