280159035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{19681}}^1$

素因数の和:19775

約数の個数: 32

約数和(自身を含む): 489373248

約数和(自身を除く): 209214213

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1095, 2847, 4745, 14235, 19681, 59043, 98405, 255853, 295215, 767559, 1279265, 1436713, 3837795, 4310139, 7183565, 18677269, 21550695, 56031807, 93386345, 280159035]

約数ペア:

[(1, 280159035), (3, 93386345), (5, 56031807), (13, 21550695), (15, 18677269), (39, 7183565), (65, 4310139), (73, 3837795), (195, 1436713), (219, 1279265), (365, 767559), (949, 295215), (1095, 255853), (2847, 98405), (4745, 59043), (14235, 19681)]