30128205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1733}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 51603840

約数和(自身を除く): 21475635

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 183, 285, 305, 915, 1159, 1733, 3477, 5199, 5795, 8665, 17385, 25995, 32927, 98781, 105713, 164635, 317139, 493905, 528565, 1585695, 2008547, 6025641, 10042735, 30128205]

約数ペア:

[(1, 30128205), (3, 10042735), (5, 6025641), (15, 2008547), (19, 1585695), (57, 528565), (61, 493905), (95, 317139), (183, 164635), (285, 105713), (305, 98781), (915, 32927), (1159, 25995), (1733, 17385), (3477, 8665), (5199, 5795)]