25988013

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 40473600

約数和(自身を除く): 14485587

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 279, 509, 549, 837, 1527, 1647, 1891, 4581, 5673, 13743, 15779, 17019, 31049, 47337, 51057, 93147, 142011, 279441, 426033, 838323, 962519, 2887557, 8662671, 25988013]

約数ペア:

[(1, 25988013), (3, 8662671), (9, 2887557), (27, 962519), (31, 838323), (61, 426033), (93, 279441), (183, 142011), (279, 93147), (509, 51057), (549, 47337), (837, 31049), (1527, 17019), (1647, 15779), (1891, 13743), (4581, 5673)]