389660265

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2729}}^1$

素因数の和:2926

約数の個数: 48

約数和(自身を含む): 715478400

約数和(自身を除く): 325818135

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 167, 171, 285, 501, 835, 855, 1503, 2505, 2729, 3173, 7515, 8187, 9519, 13645, 15865, 24561, 28557, 40935, 47595, 51851, 122805, 142785, 155553, 259255, 455743, 466659, 777765, 1367229, 2278715, 2333295, 4101687, 6836145, 8659117, 20508435, 25977351, 43295585, 77932053, 129886755, 389660265]

約数ペア:

[(1, 389660265), (3, 129886755), (5, 77932053), (9, 43295585), (15, 25977351), (19, 20508435), (45, 8659117), (57, 6836145), (95, 4101687), (167, 2333295), (171, 2278715), (285, 1367229), (501, 777765), (835, 466659), (855, 455743), (1503, 259255), (2505, 155553), (2729, 142785), (3173, 122805), (7515, 51851), (8187, 47595), (9519, 40935), (13645, 28557), (15865, 24561)]