190019925

素因数分解:

$3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 364698880

約数和(自身を除く): 174678955

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 243, 279, 405, 465, 675, 775, 837, 1009, 1215, 1395, 2025, 2325, 2511, 3027, 4185, 5045, 6075, 6975, 7533, 9081, 12555, 15135, 20925, 25225, 27243, 31279, 37665, 45405, 62775, 75675, 81729, 93837, 136215, 156395, 188325, 227025, 245187, 281511, 408645, 469185, 681075, 781975, 844533, 1225935, 1407555, 2043225, 2345925, 2533599, 4222665, 6129675, 7037775, 7600797, 12667995, 21113325, 38003985, 63339975, 190019925]

約数ペア:

[(1, 190019925), (3, 63339975), (5, 38003985), (9, 21113325), (15, 12667995), (25, 7600797), (27, 7037775), (31, 6129675), (45, 4222665), (75, 2533599), (81, 2345925), (93, 2043225), (135, 1407555), (155, 1225935), (225, 844533), (243, 781975), (279, 681075), (405, 469185), (465, 408645), (675, 281511), (775, 245187), (837, 227025), (1009, 188325), (1215, 156395), (1395, 136215), (2025, 93837), (2325, 81729), (2511, 75675), (3027, 62775), (4185, 45405), (5045, 37665), (6075, 31279), (6975, 27243), (7533, 25225), (9081, 20925), (12555, 15135)]