64200405

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 105283584

約数和(自身を除く): 41083179

約数列:

[1, 3, 5, 15, 67, 127, 201, 335, 381, 503, 635, 1005, 1509, 1905, 2515, 7545, 8509, 25527, 33701, 42545, 63881, 101103, 127635, 168505, 191643, 319405, 505515, 958215, 4280027, 12840081, 21400135, 64200405]

約数ペア:

[(1, 64200405), (3, 21400135), (5, 12840081), (15, 4280027), (67, 958215), (127, 505515), (201, 319405), (335, 191643), (381, 168505), (503, 127635), (635, 101103), (1005, 63881), (1509, 42545), (1905, 33701), (2515, 25527), (7545, 8509)]