245778897

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{3011}}^1$

素因数の和:3070

約数の個数: 48

約数和(自身を含む): 423318528

約数和(自身を除く): 177539631

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 169, 273, 299, 483, 507, 897, 1183, 2093, 3011, 3549, 3887, 6279, 9033, 11661, 21077, 27209, 39143, 63231, 69253, 81627, 117429, 207759, 274001, 484771, 508859, 822003, 900289, 1454313, 1526577, 2700867, 3562013, 6302023, 10686039, 11703757, 18906069, 35111271, 81926299, 245778897]

約数ペア:

[(1, 245778897), (3, 81926299), (7, 35111271), (13, 18906069), (21, 11703757), (23, 10686039), (39, 6302023), (69, 3562013), (91, 2700867), (161, 1526577), (169, 1454313), (273, 900289), (299, 822003), (483, 508859), (507, 484771), (897, 274001), (1183, 207759), (2093, 117429), (3011, 81627), (3549, 69253), (3887, 63231), (6279, 39143), (9033, 27209), (11661, 21077)]