65999997

素因数分解:

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

素因数の和:330

約数の個数: 48

約数和(自身を含む): 112320000

約数和(自身を除く): 46320003

約数列:

[1, 3, 7, 9, 21, 63, 79, 89, 149, 237, 267, 447, 553, 623, 711, 801, 1043, 1341, 1659, 1869, 3129, 4977, 5607, 7031, 9387, 11771, 13261, 21093, 35313, 39783, 49217, 63279, 82397, 92827, 105939, 119349, 147651, 247191, 278481, 442953, 741573, 835443, 1047619, 3142857, 7333333, 9428571, 21999999, 65999997]

約数ペア:

[(1, 65999997), (3, 21999999), (7, 9428571), (9, 7333333), (21, 3142857), (63, 1047619), (79, 835443), (89, 741573), (149, 442953), (237, 278481), (267, 247191), (447, 147651), (553, 119349), (623, 105939), (711, 92827), (801, 82397), (1043, 63279), (1341, 49217), (1659, 39783), (1869, 35313), (3129, 21093), (4977, 13261), (5607, 11771), (7031, 9387)]