1640887941

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13901}}^1$

素因数の和:14002

約数の個数: 48

約数和(自身を含む): 2814654528

約数和(自身を除く): 1173766587

約数列:

[1, 3, 7, 11, 21, 33, 49, 73, 77, 147, 219, 231, 511, 539, 803, 1533, 1617, 2409, 3577, 5621, 10731, 13901, 16863, 39347, 41703, 97307, 118041, 152911, 291921, 458733, 681149, 1014773, 1070377, 2043447, 3044319, 3211131, 7103411, 7492639, 11162503, 21310233, 22477917, 33487509, 49723877, 78137521, 149171631, 234412563, 546962647, 1640887941]

約数ペア:

[(1, 1640887941), (3, 546962647), (7, 234412563), (11, 149171631), (21, 78137521), (33, 49723877), (49, 33487509), (73, 22477917), (77, 21310233), (147, 11162503), (219, 7492639), (231, 7103411), (511, 3211131), (539, 3044319), (803, 2043447), (1533, 1070377), (1617, 1014773), (2409, 681149), (3577, 458733), (5621, 291921), (10731, 152911), (13901, 118041), (16863, 97307), (39347, 41703)]