153999993

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 246240000

約数和(自身を除く): 92240007

約数列:

[1, 3, 7, 21, 49, 79, 89, 147, 149, 237, 267, 447, 553, 623, 1043, 1659, 1869, 3129, 3871, 4361, 7031, 7301, 11613, 11771, 13083, 13261, 21093, 21903, 35313, 39783, 49217, 82397, 92827, 147651, 247191, 278481, 344519, 576779, 649789, 1033557, 1047619, 1730337, 1949367, 3142857, 7333333, 21999999, 51333331, 153999993]

約数ペア:

[(1, 153999993), (3, 51333331), (7, 21999999), (21, 7333333), (49, 3142857), (79, 1949367), (89, 1730337), (147, 1047619), (149, 1033557), (237, 649789), (267, 576779), (447, 344519), (553, 278481), (623, 247191), (1043, 147651), (1659, 92827), (1869, 82397), (3129, 49217), (3871, 39783), (4361, 35313), (7031, 21903), (7301, 21093), (11613, 13261), (11771, 13083)]