3909465

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{197}}^1$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 8193636

約数和(自身を除く): 4284171

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 197, 245, 315, 405, 441, 567, 591, 735, 945, 985, 1323, 1379, 1773, 2205, 2835, 2955, 3969, 4137, 5319, 6615, 6895, 8865, 9653, 12411, 15957, 19845, 20685, 26595, 28959, 37233, 48265, 62055, 79785, 86877, 111699, 144795, 186165, 260631, 434385, 558495, 781893, 1303155, 3909465]

約数ペア:

[(1, 3909465), (3, 1303155), (5, 781893), (7, 558495), (9, 434385), (15, 260631), (21, 186165), (27, 144795), (35, 111699), (45, 86877), (49, 79785), (63, 62055), (81, 48265), (105, 37233), (135, 28959), (147, 26595), (189, 20685), (197, 19845), (245, 15957), (315, 12411), (405, 9653), (441, 8865), (567, 6895), (591, 6615), (735, 5319), (945, 4137), (985, 3969), (1323, 2955), (1379, 2835), (1773, 2205)]