289121145

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{2027}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 477180288

約数和(自身を除く): 188059143

約数列:

[1, 3, 5, 15, 37, 111, 185, 257, 555, 771, 1285, 2027, 3855, 6081, 9509, 10135, 28527, 30405, 47545, 74999, 142635, 224997, 374995, 520939, 1124985, 1562817, 2604695, 7814085, 19274743, 57824229, 96373715, 289121145]

約数ペア:

[(1, 289121145), (3, 96373715), (5, 57824229), (15, 19274743), (37, 7814085), (111, 2604695), (185, 1562817), (257, 1124985), (555, 520939), (771, 374995), (1285, 224997), (2027, 142635), (3855, 74999), (6081, 47545), (9509, 30405), (10135, 28527)]