78048225

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2751

約数の個数: 48

約数和(自身を含む): 146766400

約数和(自身を除く): 68718175

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 2689, 3225, 5805, 8067, 9675, 13445, 24201, 29025, 40335, 67225, 72603, 115627, 121005, 201675, 346881, 363015, 578135, 605025, 1040643, 1734405, 1815075, 2890675, 3121929, 5203215, 8672025, 15609645, 26016075, 78048225]

約数ペア:

[(1, 78048225), (3, 26016075), (5, 15609645), (9, 8672025), (15, 5203215), (25, 3121929), (27, 2890675), (43, 1815075), (45, 1734405), (75, 1040643), (129, 605025), (135, 578135), (215, 363015), (225, 346881), (387, 201675), (645, 121005), (675, 115627), (1075, 72603), (1161, 67225), (1935, 40335), (2689, 29025), (3225, 24201), (5805, 13445), (8067, 9675)]