161651025

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3373}}^1$

素因数の和:3463

約数の個数: 48

約数和(自身を含む): 301230720

約数和(自身を除く): 139579695

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 1065, 1775, 1917, 3195, 3373, 5325, 9585, 10119, 15975, 16865, 30357, 47925, 50595, 84325, 91071, 151785, 239483, 252975, 455355, 718449, 758925, 1197415, 2155347, 2276775, 3592245, 5987075, 6466041, 10776735, 17961225, 32330205, 53883675, 161651025]

約数ペア:

[(1, 161651025), (3, 53883675), (5, 32330205), (9, 17961225), (15, 10776735), (25, 6466041), (27, 5987075), (45, 3592245), (71, 2276775), (75, 2155347), (135, 1197415), (213, 758925), (225, 718449), (355, 455355), (639, 252975), (675, 239483), (1065, 151785), (1775, 91071), (1917, 84325), (3195, 50595), (3373, 47925), (5325, 30357), (9585, 16865), (10119, 15975)]