29968263

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 53099280

約数和(自身を除く): 23131017

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 61, 117, 153, 169, 171, 183, 221, 247, 323, 507, 549, 663, 741, 793, 969, 1037, 1159, 1521, 1989, 2223, 2379, 2873, 2907, 3111, 3211, 3477, 4199, 7137, 8619, 9333, 9633, 10309, 10431, 12597, 13481, 15067, 19703, 25857, 28899, 30927, 37791, 40443, 45201, 54587, 59109, 92781, 121329, 135603, 163761, 175253, 177327, 195871, 256139, 491283, 525759, 587613, 768417, 1577277, 1762839, 2305251, 3329807, 9989421, 29968263]

約数ペア:

[(1, 29968263), (3, 9989421), (9, 3329807), (13, 2305251), (17, 1762839), (19, 1577277), (39, 768417), (51, 587613), (57, 525759), (61, 491283), (117, 256139), (153, 195871), (169, 177327), (171, 175253), (183, 163761), (221, 135603), (247, 121329), (323, 92781), (507, 59109), (549, 54587), (663, 45201), (741, 40443), (793, 37791), (969, 30927), (1037, 28899), (1159, 25857), (1521, 19703), (1989, 15067), (2223, 13481), (2379, 12597), (2873, 10431), (2907, 10309), (3111, 9633), (3211, 9333), (3477, 8619), (4199, 7137)]