218971545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{1913}}^1$

素因数の和:2521

約数の個数: 32

約数和(自身を含む): 378145152

約数和(自身を除く): 159173607

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 587, 1761, 1913, 2935, 5739, 7631, 8805, 9565, 22893, 24869, 28695, 38155, 74607, 114465, 124345, 373035, 1122931, 3368793, 5614655, 14598103, 16843965, 43794309, 72990515, 218971545]

約数ペア:

[(1, 218971545), (3, 72990515), (5, 43794309), (13, 16843965), (15, 14598103), (39, 5614655), (65, 3368793), (195, 1122931), (587, 373035), (1761, 124345), (1913, 114465), (2935, 74607), (5739, 38155), (7631, 28695), (8805, 24869), (9565, 22893)]