768804525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 1419269280

約数和(自身を除く): 650464755

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 229, 347, 387, 645, 687, 1041, 1075, 1145, 1735, 1935, 2061, 3123, 3225, 3435, 5205, 5725, 8675, 9675, 9847, 10305, 14921, 15615, 17175, 26025, 29541, 44763, 49235, 51525, 74605, 78075, 79463, 88623, 134289, 147705, 223815, 238389, 246175, 373025, 397315, 443115, 671445, 715167, 738525, 1119075, 1191945, 1986575, 2215575, 3357225, 3416909, 3575835, 5959725, 10250727, 17084545, 17879175, 30752181, 51253635, 85422725, 153760905, 256268175, 768804525]

約数ペア:

[(1, 768804525), (3, 256268175), (5, 153760905), (9, 85422725), (15, 51253635), (25, 30752181), (43, 17879175), (45, 17084545), (75, 10250727), (129, 5959725), (215, 3575835), (225, 3416909), (229, 3357225), (347, 2215575), (387, 1986575), (645, 1191945), (687, 1119075), (1041, 738525), (1075, 715167), (1145, 671445), (1735, 443115), (1935, 397315), (2061, 373025), (3123, 246175), (3225, 238389), (3435, 223815), (5205, 147705), (5725, 134289), (8675, 88623), (9675, 79463), (9847, 78075), (10305, 74605), (14921, 51525), (15615, 49235), (17175, 44763), (26025, 29541)]