278364307779

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{293467}}^1$

素因数の和:293581

約数の個数: 48

約数和(自身を含む): 444427939200

約数和(自身を除く): 166063631421

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 1161, 1849, 2451, 5547, 7353, 16641, 22059, 35131, 49923, 105393, 293467, 316179, 880401, 948537, 2641203, 5575873, 7923609, 12619081, 16727619, 37857243, 50182857, 113571729, 150548571, 239762539, 340715187, 542620483, 719287617, 1627861449, 2157862851, 4883584347, 6473588553, 10309789177, 14650753041, 30929367531, 92788102593, 278364307779]

約数ペア:

[(1, 278364307779), (3, 92788102593), (9, 30929367531), (19, 14650753041), (27, 10309789177), (43, 6473588553), (57, 4883584347), (129, 2157862851), (171, 1627861449), (387, 719287617), (513, 542620483), (817, 340715187), (1161, 239762539), (1849, 150548571), (2451, 113571729), (5547, 50182857), (7353, 37857243), (16641, 16727619), (22059, 12619081), (35131, 7923609), (49923, 5575873), (105393, 2641203), (293467, 948537), (316179, 880401)]