201912867

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 336263200

約数和(自身を除く): 134350333

約数列:

[1, 3, 9, 13, 19, 39, 57, 61, 117, 171, 183, 247, 549, 741, 793, 1159, 1489, 2223, 2379, 3477, 4467, 7137, 10431, 13401, 15067, 19357, 28291, 45201, 58071, 84873, 90829, 135603, 174213, 254619, 272487, 367783, 817461, 1103349, 1180777, 1725751, 3310047, 3542331, 5177253, 10626993, 15531759, 22434763, 67304289, 201912867]

約数ペア:

[(1, 201912867), (3, 67304289), (9, 22434763), (13, 15531759), (19, 10626993), (39, 5177253), (57, 3542331), (61, 3310047), (117, 1725751), (171, 1180777), (183, 1103349), (247, 817461), (549, 367783), (741, 272487), (793, 254619), (1159, 174213), (1489, 135603), (2223, 90829), (2379, 84873), (3477, 58071), (4467, 45201), (7137, 28291), (10431, 19357), (13401, 15067)]