15725988

素因数分解:

$2^2\times 3^6\times {\mathrm{5393}}^1$

素因数の和:5415

約数の個数: 42

約数和(自身を含む): 41269494

約数和(自身を除く): 25543506

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 5393, 10786, 16179, 21572, 32358, 48537, 64716, 97074, 145611, 194148, 291222, 436833, 582444, 873666, 1310499, 1747332, 2620998, 3931497, 5241996, 7862994, 15725988]

約数ペア:

[(1, 15725988), (2, 7862994), (3, 5241996), (4, 3931497), (6, 2620998), (9, 1747332), (12, 1310499), (18, 873666), (27, 582444), (36, 436833), (54, 291222), (81, 194148), (108, 145611), (162, 97074), (243, 64716), (324, 48537), (486, 32358), (729, 21572), (972, 16179), (1458, 10786), (2916, 5393)]