30381741

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 50668800

約数和(自身を除く): 20287059

約数列:

[1, 3, 9, 13, 19, 39, 57, 79, 117, 171, 173, 237, 247, 519, 711, 741, 1027, 1501, 1557, 2223, 2249, 3081, 3287, 4503, 6747, 9243, 9861, 13509, 13667, 19513, 20241, 29583, 41001, 42731, 58539, 123003, 128193, 175617, 177671, 259673, 384579, 533013, 779019, 1599039, 2337057, 3375749, 10127247, 30381741]

約数ペア:

[(1, 30381741), (3, 10127247), (9, 3375749), (13, 2337057), (19, 1599039), (39, 779019), (57, 533013), (79, 384579), (117, 259673), (171, 177671), (173, 175617), (237, 128193), (247, 123003), (519, 58539), (711, 42731), (741, 41001), (1027, 29583), (1501, 20241), (1557, 19513), (2223, 13667), (2249, 13509), (3081, 9861), (3287, 9243), (4503, 6747)]