25672515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 47402496

約数和(自身を除く): 21729981

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 361, 431, 627, 1045, 1083, 1293, 1805, 2155, 3135, 3971, 4741, 5415, 6465, 8189, 11913, 14223, 19855, 23705, 24567, 40945, 59565, 71115, 90079, 122835, 155591, 270237, 450395, 466773, 777955, 1351185, 1711501, 2333865, 5134503, 8557505, 25672515]

約数ペア:

[(1, 25672515), (3, 8557505), (5, 5134503), (11, 2333865), (15, 1711501), (19, 1351185), (33, 777955), (55, 466773), (57, 450395), (95, 270237), (165, 155591), (209, 122835), (285, 90079), (361, 71115), (431, 59565), (627, 40945), (1045, 24567), (1083, 23705), (1293, 19855), (1805, 14223), (2155, 11913), (3135, 8189), (3971, 6465), (4741, 5415)]