205747047

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2$

素因数の和:218

約数の個数: 60

約数和(自身を含む): 348767496

約数和(自身を除く): 143020449

約数列:

[1, 3, 9, 11, 27, 33, 37, 79, 81, 99, 111, 237, 297, 333, 407, 711, 869, 891, 999, 1221, 2133, 2607, 2923, 2997, 3663, 6241, 6399, 7821, 8769, 10989, 18723, 23463, 26307, 32153, 32967, 56169, 68651, 70389, 78921, 96459, 168507, 205953, 230917, 236763, 289377, 505521, 617859, 692751, 868131, 1853577, 2078253, 2540087, 2604393, 5560731, 6234759, 7620261, 18704277, 22860783, 68582349, 205747047]

約数ペア:

[(1, 205747047), (3, 68582349), (9, 22860783), (11, 18704277), (27, 7620261), (33, 6234759), (37, 5560731), (79, 2604393), (81, 2540087), (99, 2078253), (111, 1853577), (237, 868131), (297, 692751), (333, 617859), (407, 505521), (711, 289377), (869, 236763), (891, 230917), (999, 205953), (1221, 168507), (2133, 96459), (2607, 78921), (2923, 70389), (2997, 68651), (3663, 56169), (6241, 32967), (6399, 32153), (7821, 26307), (8769, 23463), (10989, 18723)]