999989571

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1\times {\mathrm{1723}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 1578908160

約数和(自身を除く): 578918589

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 953, 1723, 2859, 5169, 6671, 12061, 20013, 27637, 36183, 49967, 82911, 149901, 193459, 349769, 580377, 1049307, 1642019, 4926057, 11494133, 34482399, 47618551, 142855653, 333329857, 999989571]

約数ペア:

[(1, 999989571), (3, 333329857), (7, 142855653), (21, 47618551), (29, 34482399), (87, 11494133), (203, 4926057), (609, 1642019), (953, 1049307), (1723, 580377), (2859, 349769), (5169, 193459), (6671, 149901), (12061, 82911), (20013, 49967), (27637, 36183)]