208530861

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{2357}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 347701248

約数和(自身を除く): 139170387

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 383, 1149, 2357, 2681, 4213, 7071, 8043, 12639, 16499, 25927, 29491, 49497, 77781, 88473, 181489, 544467, 902731, 2708193, 6319117, 9930041, 18957351, 29790123, 69510287, 208530861]

約数ペア:

[(1, 208530861), (3, 69510287), (7, 29790123), (11, 18957351), (21, 9930041), (33, 6319117), (77, 2708193), (231, 902731), (383, 544467), (1149, 181489), (2357, 88473), (2681, 77781), (4213, 49497), (7071, 29491), (8043, 25927), (12639, 16499)]