31201065

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 64120320

約数和(自身を除く): 32919255

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 137, 189, 241, 315, 411, 685, 723, 945, 959, 1205, 1233, 1687, 2055, 2169, 2877, 3615, 3699, 4795, 5061, 6165, 6507, 8435, 8631, 10845, 14385, 15183, 18495, 25305, 25893, 32535, 33017, 43155, 45549, 75915, 99051, 129465, 165085, 227745, 231119, 297153, 495255, 693357, 891459, 1155595, 1485765, 2080071, 3466785, 4457295, 6240213, 10400355, 31201065]

約数ペア:

[(1, 31201065), (3, 10400355), (5, 6240213), (7, 4457295), (9, 3466785), (15, 2080071), (21, 1485765), (27, 1155595), (35, 891459), (45, 693357), (63, 495255), (105, 297153), (135, 231119), (137, 227745), (189, 165085), (241, 129465), (315, 99051), (411, 75915), (685, 45549), (723, 43155), (945, 33017), (959, 32535), (1205, 25893), (1233, 25305), (1687, 18495), (2055, 15183), (2169, 14385), (2877, 10845), (3615, 8631), (3699, 8435), (4795, 6507), (5061, 6165)]