17763993

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 29789760

約数和(自身を除く): 12025767

約数列:

[1, 3, 9, 13, 19, 39, 57, 61, 117, 131, 171, 183, 247, 393, 549, 741, 793, 1159, 1179, 1703, 2223, 2379, 2489, 3477, 5109, 7137, 7467, 7991, 10431, 15067, 15327, 22401, 23973, 32357, 45201, 71919, 97071, 103883, 135603, 151829, 291213, 311649, 455487, 934947, 1366461, 1973777, 5921331, 17763993]

約数ペア:

[(1, 17763993), (3, 5921331), (9, 1973777), (13, 1366461), (19, 934947), (39, 455487), (57, 311649), (61, 291213), (117, 151829), (131, 135603), (171, 103883), (183, 97071), (247, 71919), (393, 45201), (549, 32357), (741, 23973), (793, 22401), (1159, 15327), (1179, 15067), (1703, 10431), (2223, 7991), (2379, 7467), (2489, 7137), (3477, 5109)]