31918374

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{2699}}^1$

素因数の和:2786

約数の個数: 40

約数和(自身を含む): 72527400

約数和(自身を除く): 40609026

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1971, 2699, 3942, 5398, 5913, 8097, 11826, 16194, 24291, 48582, 72873, 145746, 197027, 218619, 394054, 437238, 591081, 1182162, 1773243, 3546486, 5319729, 10639458, 15959187, 31918374]

約数ペア:

[(1, 31918374), (2, 15959187), (3, 10639458), (6, 5319729), (9, 3546486), (18, 1773243), (27, 1182162), (54, 591081), (73, 437238), (81, 394054), (146, 218619), (162, 197027), (219, 145746), (438, 72873), (657, 48582), (1314, 24291), (1971, 16194), (2699, 11826), (3942, 8097), (5398, 5913)]