26321805

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 47663616

約数和(自身を除く): 21341811

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 223, 305, 387, 549, 645, 669, 915, 1115, 1935, 2007, 2623, 2745, 3345, 7869, 9589, 10035, 13115, 13603, 23607, 28767, 39345, 40809, 47945, 68015, 86301, 118035, 122427, 143835, 204045, 431505, 584929, 612135, 1754787, 2924645, 5264361, 8773935, 26321805]

約数ペア:

[(1, 26321805), (3, 8773935), (5, 5264361), (9, 2924645), (15, 1754787), (43, 612135), (45, 584929), (61, 431505), (129, 204045), (183, 143835), (215, 122427), (223, 118035), (305, 86301), (387, 68015), (549, 47945), (645, 40809), (669, 39345), (915, 28767), (1115, 23607), (1935, 13603), (2007, 13115), (2623, 10035), (2745, 9589), (3345, 7869)]