27974295

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 52377600

約数和(自身を除く): 24403305

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 61, 79, 129, 135, 183, 215, 237, 305, 387, 395, 549, 645, 711, 915, 1161, 1185, 1647, 1935, 2133, 2623, 2745, 3397, 3555, 4819, 5805, 7869, 8235, 10191, 10665, 13115, 14457, 16985, 23607, 24095, 30573, 39345, 43371, 50955, 70821, 72285, 91719, 118035, 130113, 152865, 207217, 216855, 354105, 458595, 621651, 650565, 1036085, 1864953, 3108255, 5594859, 9324765, 27974295]

約数ペア:

[(1, 27974295), (3, 9324765), (5, 5594859), (9, 3108255), (15, 1864953), (27, 1036085), (43, 650565), (45, 621651), (61, 458595), (79, 354105), (129, 216855), (135, 207217), (183, 152865), (215, 130113), (237, 118035), (305, 91719), (387, 72285), (395, 70821), (549, 50955), (645, 43371), (711, 39345), (915, 30573), (1161, 24095), (1185, 23607), (1647, 16985), (1935, 14457), (2133, 13115), (2623, 10665), (2745, 10191), (3397, 8235), (3555, 7869), (4819, 5805)]