983125

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:55

約数の個数: 30

約数和(自身を含む): 1454222

約数和(自身を除く): 471097

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 125, 143, 275, 325, 605, 625, 715, 1375, 1573, 1625, 3025, 3575, 6875, 7865, 8125, 15125, 17875, 39325, 75625, 89375, 196625, 983125]

約数ペア:

[(1, 983125), (5, 196625), (11, 89375), (13, 75625), (25, 39325), (55, 17875), (65, 15125), (121, 8125), (125, 7865), (143, 6875), (275, 3575), (325, 3025), (605, 1625), (625, 1573), (715, 1375)]