289098015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{3947}}^1$

素因数の和:4231

約数の個数: 32

約数和(自身を含む): 488920320

約数和(自身を除く): 199822305

約数列:

[1, 3, 5, 15, 19, 57, 95, 257, 285, 771, 1285, 3855, 3947, 4883, 11841, 14649, 19735, 24415, 59205, 73245, 74993, 224979, 374965, 1014379, 1124895, 3043137, 5071895, 15215685, 19273201, 57819603, 96366005, 289098015]

約数ペア:

[(1, 289098015), (3, 96366005), (5, 57819603), (15, 19273201), (19, 15215685), (57, 5071895), (95, 3043137), (257, 1124895), (285, 1014379), (771, 374965), (1285, 224979), (3855, 74993), (3947, 73245), (4883, 59205), (11841, 24415), (14649, 19735)]