28398045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1063}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 49335552

約数和(自身を除く): 20937507

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1063, 1781, 2055, 3189, 5315, 5343, 8905, 13819, 15945, 26715, 41457, 69095, 145631, 207285, 436893, 728155, 1893203, 2184465, 5679609, 9466015, 28398045]

約数ペア:

[(1, 28398045), (3, 9466015), (5, 5679609), (13, 2184465), (15, 1893203), (39, 728155), (65, 436893), (137, 207285), (195, 145631), (411, 69095), (685, 41457), (1063, 26715), (1781, 15945), (2055, 13819), (3189, 8905), (5315, 5343)]