31190265

素因数分解:

$3^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 56

約数和(自身を含む): 57710400

約数和(自身を除く): 26520135

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 199, 215, 243, 387, 405, 597, 645, 729, 995, 1161, 1215, 1791, 1935, 2985, 3483, 3645, 5373, 5805, 8557, 8955, 10449, 16119, 17415, 25671, 26865, 31347, 42785, 48357, 52245, 77013, 80595, 128355, 145071, 156735, 231039, 241785, 385065, 693117, 725355, 1155195, 2079351, 3465585, 6238053, 10396755, 31190265]

約数ペア:

[(1, 31190265), (3, 10396755), (5, 6238053), (9, 3465585), (15, 2079351), (27, 1155195), (43, 725355), (45, 693117), (81, 385065), (129, 241785), (135, 231039), (199, 156735), (215, 145071), (243, 128355), (387, 80595), (405, 77013), (597, 52245), (645, 48357), (729, 42785), (995, 31347), (1161, 26865), (1215, 25671), (1791, 17415), (1935, 16119), (2985, 10449), (3483, 8955), (3645, 8557), (5373, 5805)]