538045137

素因数分解:

$3^2\times 7^2\times {\mathrm{263}}^1\times {\mathrm{4639}}^1$

素因数の和:4922

約数の個数: 36

約数和(自身を含む): 907695360

約数和(自身を除く): 369650223

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 263, 441, 789, 1841, 2367, 4639, 5523, 12887, 13917, 16569, 32473, 38661, 41751, 97419, 115983, 227311, 292257, 681933, 1220057, 2045799, 3660171, 8540399, 10980513, 25621197, 59782793, 76863591, 179348379, 538045137]

約数ペア:

[(1, 538045137), (3, 179348379), (7, 76863591), (9, 59782793), (21, 25621197), (49, 10980513), (63, 8540399), (147, 3660171), (263, 2045799), (441, 1220057), (789, 681933), (1841, 292257), (2367, 227311), (4639, 115983), (5523, 97419), (12887, 41751), (13917, 38661), (16569, 32473)]