4131225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 8795072

約数和(自身を除く): 4663847

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 61, 63, 75, 105, 129, 175, 183, 215, 225, 301, 305, 315, 387, 427, 525, 549, 645, 903, 915, 1075, 1281, 1505, 1525, 1575, 1935, 2135, 2623, 2709, 2745, 3225, 3843, 4515, 4575, 6405, 7525, 7869, 9675, 10675, 13115, 13545, 13725, 18361, 19215, 22575, 23607, 32025, 39345, 55083, 65575, 67725, 91805, 96075, 118035, 165249, 196725, 275415, 459025, 590175, 826245, 1377075, 4131225]

約数ペア:

[(1, 4131225), (3, 1377075), (5, 826245), (7, 590175), (9, 459025), (15, 275415), (21, 196725), (25, 165249), (35, 118035), (43, 96075), (45, 91805), (61, 67725), (63, 65575), (75, 55083), (105, 39345), (129, 32025), (175, 23607), (183, 22575), (215, 19215), (225, 18361), (301, 13725), (305, 13545), (315, 13115), (387, 10675), (427, 9675), (525, 7869), (549, 7525), (645, 6405), (903, 4575), (915, 4515), (1075, 3843), (1281, 3225), (1505, 2745), (1525, 2709), (1575, 2623), (1935, 2135)]