72218925

素因数分解:

$3^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1103}}^1$

素因数の和:1219

約数の個数: 48

約数和(自身を含む): 134158080

約数和(自身を除く): 61939155

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 97, 135, 225, 291, 485, 675, 873, 1103, 1455, 2425, 2619, 3309, 4365, 5515, 7275, 9927, 13095, 16545, 21825, 27575, 29781, 49635, 65475, 82725, 106991, 148905, 248175, 320973, 534955, 744525, 962919, 1604865, 2674775, 2888757, 4814595, 8024325, 14443785, 24072975, 72218925]

約数ペア:

[(1, 72218925), (3, 24072975), (5, 14443785), (9, 8024325), (15, 4814595), (25, 2888757), (27, 2674775), (45, 1604865), (75, 962919), (97, 744525), (135, 534955), (225, 320973), (291, 248175), (485, 148905), (675, 106991), (873, 82725), (1103, 65475), (1455, 49635), (2425, 29781), (2619, 27575), (3309, 21825), (4365, 16545), (5515, 13095), (7275, 9927)]