27970047

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 20951553

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 97, 161, 199, 207, 291, 483, 597, 679, 873, 1393, 1449, 1791, 2037, 2231, 4179, 4577, 6111, 6693, 12537, 13731, 15617, 19303, 20079, 32039, 41193, 46851, 57909, 96117, 135121, 140553, 173727, 288351, 405363, 443969, 1216089, 1331907, 3107783, 3995721, 9323349, 27970047]

約数ペア:

[(1, 27970047), (3, 9323349), (7, 3995721), (9, 3107783), (21, 1331907), (23, 1216089), (63, 443969), (69, 405363), (97, 288351), (161, 173727), (199, 140553), (207, 135121), (291, 96117), (483, 57909), (597, 46851), (679, 41193), (873, 32039), (1393, 20079), (1449, 19303), (1791, 15617), (2037, 13731), (2231, 12537), (4179, 6693), (4577, 6111)]