1891569375

素因数分解:

$3^3\times 5^4\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:795

約数の個数: 80

約数和(自身を含む): 3525746400

約数和(自身を除く): 1634177025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 197, 225, 375, 569, 591, 625, 675, 985, 1125, 1707, 1773, 1875, 2845, 2955, 3375, 4925, 5121, 5319, 5625, 8535, 8865, 14225, 14775, 15363, 16875, 24625, 25605, 26595, 42675, 44325, 71125, 73875, 76815, 112093, 123125, 128025, 132975, 213375, 221625, 336279, 355625, 369375, 384075, 560465, 640125, 664875, 1008837, 1066875, 1108125, 1681395, 1920375, 2802325, 3026511, 3200625, 3324375, 5044185, 8406975, 9601875, 14011625, 15132555, 25220925, 42034875, 70058125, 75662775, 126104625, 210174375, 378313875, 630523125, 1891569375]

約数ペア:

[(1, 1891569375), (3, 630523125), (5, 378313875), (9, 210174375), (15, 126104625), (25, 75662775), (27, 70058125), (45, 42034875), (75, 25220925), (125, 15132555), (135, 14011625), (197, 9601875), (225, 8406975), (375, 5044185), (569, 3324375), (591, 3200625), (625, 3026511), (675, 2802325), (985, 1920375), (1125, 1681395), (1707, 1108125), (1773, 1066875), (1875, 1008837), (2845, 664875), (2955, 640125), (3375, 560465), (4925, 384075), (5121, 369375), (5319, 355625), (5625, 336279), (8535, 221625), (8865, 213375), (14225, 132975), (14775, 128025), (15363, 123125), (16875, 112093), (24625, 76815), (25605, 73875), (26595, 71125), (42675, 44325)]