27929145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 49066560

約数和(自身を除く): 21137415

約数列:

[1, 3, 5, 15, 19, 43, 53, 57, 95, 129, 159, 215, 265, 285, 645, 795, 817, 1007, 1849, 2279, 2451, 3021, 4085, 5035, 5547, 6837, 9245, 11395, 12255, 15105, 27735, 34185, 35131, 43301, 97997, 105393, 129903, 175655, 216505, 293991, 489985, 526965, 649515, 1469955, 1861943, 5585829, 9309715, 27929145]

約数ペア:

[(1, 27929145), (3, 9309715), (5, 5585829), (15, 1861943), (19, 1469955), (43, 649515), (53, 526965), (57, 489985), (95, 293991), (129, 216505), (159, 175655), (215, 129903), (265, 105393), (285, 97997), (645, 43301), (795, 35131), (817, 34185), (1007, 27735), (1849, 15105), (2279, 12255), (2451, 11395), (3021, 9245), (4085, 6837), (5035, 5547)]