28046475

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4068

約数の個数: 36

約数和(自身を含む): 51867712

約数和(自身を除く): 23821237

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 4021, 6975, 12063, 20105, 36189, 60315, 100525, 124651, 180945, 301575, 373953, 623255, 904725, 1121859, 1869765, 3116275, 5609295, 9348825, 28046475]

約数ペア:

[(1, 28046475), (3, 9348825), (5, 5609295), (9, 3116275), (15, 1869765), (25, 1121859), (31, 904725), (45, 623255), (75, 373953), (93, 301575), (155, 180945), (225, 124651), (279, 100525), (465, 60315), (775, 36189), (1395, 20105), (2325, 12063), (4021, 6975)]