1561425

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 2618880

約数和(自身を除く): 1057455

約数列:

[1, 3, 5, 15, 25, 75, 109, 191, 327, 545, 573, 955, 1635, 2725, 2865, 4775, 8175, 14325, 20819, 62457, 104095, 312285, 520475, 1561425]

約数ペア:

[(1, 1561425), (3, 520475), (5, 312285), (15, 104095), (25, 62457), (75, 20819), (109, 14325), (191, 8175), (327, 4775), (545, 2865), (573, 2725), (955, 1635)]