209375375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 292131840

約数和(自身を除く): 82756465

約数列:

[1, 5, 11, 25, 55, 109, 121, 125, 127, 275, 545, 605, 635, 1199, 1375, 1397, 2725, 3025, 3175, 5995, 6985, 13189, 13625, 13843, 15125, 15367, 15875, 29975, 34925, 65945, 69215, 76835, 149875, 152273, 174625, 329725, 346075, 384175, 761365, 1648625, 1675003, 1730375, 1920875, 3806825, 8375015, 19034125, 41875075, 209375375]

約数ペア:

[(1, 209375375), (5, 41875075), (11, 19034125), (25, 8375015), (55, 3806825), (109, 1920875), (121, 1730375), (125, 1675003), (127, 1648625), (275, 761365), (545, 384175), (605, 346075), (635, 329725), (1199, 174625), (1375, 152273), (1397, 149875), (2725, 76835), (3025, 69215), (3175, 65945), (5995, 34925), (6985, 29975), (13189, 15875), (13625, 15367), (13843, 15125)]