131527515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1201}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 246650400

約数和(自身を除く): 115122885

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 149, 245, 447, 735, 745, 1043, 1201, 2235, 3129, 3603, 5215, 6005, 7301, 8407, 15645, 18015, 21903, 25221, 36505, 42035, 58849, 109515, 126105, 176547, 178949, 294245, 536847, 882735, 894745, 1252643, 2684235, 3757929, 6263215, 8768501, 18789645, 26305503, 43842505, 131527515]

約数ペア:

[(1, 131527515), (3, 43842505), (5, 26305503), (7, 18789645), (15, 8768501), (21, 6263215), (35, 3757929), (49, 2684235), (105, 1252643), (147, 894745), (149, 882735), (245, 536847), (447, 294245), (735, 178949), (745, 176547), (1043, 126105), (1201, 109515), (2235, 58849), (3129, 42035), (3603, 36505), (5215, 25221), (6005, 21903), (7301, 18015), (8407, 15645)]