2176406883

素因数分解:

$3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 3731332176

約数和(自身を除く): 1554925293

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 131, 147, 303, 373, 393, 441, 707, 909, 917, 1119, 1179, 2121, 2611, 2751, 3357, 4949, 6363, 6419, 7833, 8253, 13231, 14847, 18277, 19257, 23499, 37673, 39693, 44541, 48863, 54831, 57771, 92617, 113019, 119079, 146589, 164493, 263711, 277851, 339057, 342041, 439767, 648319, 791133, 833553, 1026123, 1845977, 1944957, 2373399, 2394287, 3078369, 4935163, 5537931, 5834871, 7182861, 14805489, 16613793, 21548583, 34546141, 44416467, 103638423, 241822987, 310915269, 725468961, 2176406883]

約数ペア:

[(1, 2176406883), (3, 725468961), (7, 310915269), (9, 241822987), (21, 103638423), (49, 44416467), (63, 34546141), (101, 21548583), (131, 16613793), (147, 14805489), (303, 7182861), (373, 5834871), (393, 5537931), (441, 4935163), (707, 3078369), (909, 2394287), (917, 2373399), (1119, 1944957), (1179, 1845977), (2121, 1026123), (2611, 833553), (2751, 791133), (3357, 648319), (4949, 439767), (6363, 342041), (6419, 339057), (7833, 277851), (8253, 263711), (13231, 164493), (14847, 146589), (18277, 119079), (19257, 113019), (23499, 92617), (37673, 57771), (39693, 54831), (44541, 48863)]