488231289

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1801}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 871072384

約数和(自身を除く): 382841095

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 331, 819, 993, 1801, 2317, 2979, 4303, 5403, 6951, 12607, 12909, 16209, 20853, 23413, 30121, 37821, 38727, 70239, 90363, 113463, 163891, 210717, 271089, 491673, 596131, 1475019, 1788393, 4172917, 5365179, 7749703, 12518751, 23249109, 37556253, 54247921, 69747327, 162743763, 488231289]

約数ペア:

[(1, 488231289), (3, 162743763), (7, 69747327), (9, 54247921), (13, 37556253), (21, 23249109), (39, 12518751), (63, 7749703), (91, 5365179), (117, 4172917), (273, 1788393), (331, 1475019), (819, 596131), (993, 491673), (1801, 271089), (2317, 210717), (2979, 163891), (4303, 113463), (5403, 90363), (6951, 70239), (12607, 38727), (12909, 37821), (16209, 30121), (20853, 23413)]