216659235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{30029}}^1$

素因数の和:30087

約数の個数: 32

約数和(自身を含む): 383423040

約数和(自身を除く): 166763805

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 30029, 90087, 150145, 390377, 450435, 1111073, 1171131, 1951885, 3333219, 5555365, 5855655, 14443949, 16666095, 43331847, 72219745, 216659235]

約数ペア:

[(1, 216659235), (3, 72219745), (5, 43331847), (13, 16666095), (15, 14443949), (37, 5855655), (39, 5555365), (65, 3333219), (111, 1951885), (185, 1171131), (195, 1111073), (481, 450435), (555, 390377), (1443, 150145), (2405, 90087), (7215, 30029)]