15190775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 20605824

約数和(自身を除く): 5415049

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 1153, 2635, 5765, 13175, 19601, 28825, 35743, 98005, 178715, 490025, 607631, 893575, 3038155, 15190775]

約数ペア:

[(1, 15190775), (5, 3038155), (17, 893575), (25, 607631), (31, 490025), (85, 178715), (155, 98005), (425, 35743), (527, 28825), (775, 19601), (1153, 13175), (2635, 5765)]