204910251

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18307}}^1$

素因数の和:18371

約数の個数: 32

約数和(自身を含む): 344483328

約数和(自身を除く): 139573077

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 3731, 11193, 18307, 54921, 128149, 237991, 384447, 713973, 750587, 1665937, 2251761, 4997811, 5254109, 9757631, 15762327, 29272893, 68303417, 204910251]

約数ペア:

[(1, 204910251), (3, 68303417), (7, 29272893), (13, 15762327), (21, 9757631), (39, 5254109), (41, 4997811), (91, 2251761), (123, 1665937), (273, 750587), (287, 713973), (533, 384447), (861, 237991), (1599, 128149), (3731, 54921), (11193, 18307)]