81656910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{100811}}^1$

素因数の和:100830

約数の個数: 40

約数和(自身を含む): 219568536

約数和(自身を除く): 137911626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 100811, 201622, 302433, 504055, 604866, 907299, 1008110, 1512165, 1814598, 2721897, 3024330, 4536495, 5443794, 8165691, 9072990, 13609485, 16331382, 27218970, 40828455, 81656910]

約数ペア:

[(1, 81656910), (2, 40828455), (3, 27218970), (5, 16331382), (6, 13609485), (9, 9072990), (10, 8165691), (15, 5443794), (18, 4536495), (27, 3024330), (30, 2721897), (45, 1814598), (54, 1512165), (81, 1008110), (90, 907299), (135, 604866), (162, 504055), (270, 302433), (405, 201622), (810, 100811)]