1640691927

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{1051}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 2757081600

約数和(自身を除く): 1116389673

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 349, 497, 639, 1047, 1051, 1491, 2443, 3141, 3153, 4473, 7329, 7357, 9459, 21987, 22071, 24779, 66213, 74337, 74621, 173453, 223011, 223863, 366799, 520359, 522347, 671589, 1100397, 1561077, 1567041, 2567593, 3301191, 4701123, 7702779, 23108337, 26042729, 78128187, 182299103, 234384561, 546897309, 1640691927]

約数ペア:

[(1, 1640691927), (3, 546897309), (7, 234384561), (9, 182299103), (21, 78128187), (63, 26042729), (71, 23108337), (213, 7702779), (349, 4701123), (497, 3301191), (639, 2567593), (1047, 1567041), (1051, 1561077), (1491, 1100397), (2443, 671589), (3141, 522347), (3153, 520359), (4473, 366799), (7329, 223863), (7357, 223011), (9459, 173453), (21987, 74621), (22071, 74337), (24779, 66213)]