81323028

素因数分解:

$2^2\times 3^4\times {\mathrm{499}}^1\times {\mathrm{503}}^1$

素因数の和:1018

約数の個数: 60

約数和(自身を含む): 213444000

約数和(自身を除く): 132120972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 499, 503, 998, 1006, 1497, 1509, 1996, 2012, 2994, 3018, 4491, 4527, 5988, 6036, 8982, 9054, 13473, 13581, 17964, 18108, 26946, 27162, 40419, 40743, 53892, 54324, 80838, 81486, 161676, 162972, 250997, 501994, 752991, 1003988, 1505982, 2258973, 3011964, 4517946, 6776919, 9035892, 13553838, 20330757, 27107676, 40661514, 81323028]

約数ペア:

[(1, 81323028), (2, 40661514), (3, 27107676), (4, 20330757), (6, 13553838), (9, 9035892), (12, 6776919), (18, 4517946), (27, 3011964), (36, 2258973), (54, 1505982), (81, 1003988), (108, 752991), (162, 501994), (324, 250997), (499, 162972), (503, 161676), (998, 81486), (1006, 80838), (1497, 54324), (1509, 53892), (1996, 40743), (2012, 40419), (2994, 27162), (3018, 26946), (4491, 18108), (4527, 17964), (5988, 13581), (6036, 13473), (8982, 9054)]