81436537

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 109202688

約数和(自身を除く): 27766151

約数列:

[1, 7, 13, 23, 41, 73, 91, 161, 169, 287, 299, 511, 533, 943, 949, 1183, 1679, 2093, 2993, 3731, 3887, 6601, 6643, 6929, 11753, 12259, 12337, 20951, 21827, 27209, 38909, 48503, 68839, 85813, 86359, 152789, 159367, 272363, 283751, 481873, 505817, 894907, 1115569, 1986257, 3540719, 6264349, 11633791, 81436537]

約数ペア:

[(1, 81436537), (7, 11633791), (13, 6264349), (23, 3540719), (41, 1986257), (73, 1115569), (91, 894907), (161, 505817), (169, 481873), (287, 283751), (299, 272363), (511, 159367), (533, 152789), (943, 86359), (949, 85813), (1183, 68839), (1679, 48503), (2093, 38909), (2993, 27209), (3731, 21827), (3887, 20951), (6601, 12337), (6643, 12259), (6929, 11753)]