7771095

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 14508000

約数和(自身を除く): 6736905

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 149, 171, 183, 285, 305, 447, 549, 745, 855, 915, 1159, 1341, 2235, 2745, 2831, 3477, 5795, 6705, 8493, 9089, 10431, 14155, 17385, 25479, 27267, 42465, 45445, 52155, 81801, 127395, 136335, 172691, 409005, 518073, 863455, 1554219, 2590365, 7771095]

約数ペア:

[(1, 7771095), (3, 2590365), (5, 1554219), (9, 863455), (15, 518073), (19, 409005), (45, 172691), (57, 136335), (61, 127395), (95, 81801), (149, 52155), (171, 45445), (183, 42465), (285, 27267), (305, 25479), (447, 17385), (549, 14155), (745, 10431), (855, 9089), (915, 8493), (1159, 6705), (1341, 5795), (2235, 3477), (2745, 2831)]