11921535

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 21703968

約数和(自身を除く): 9782433

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 101, 129, 183, 215, 303, 305, 387, 505, 549, 645, 909, 915, 1515, 1935, 2623, 2745, 4343, 4545, 6161, 7869, 13029, 13115, 18483, 21715, 23607, 30805, 39087, 39345, 55449, 65145, 92415, 118035, 195435, 264923, 277245, 794769, 1324615, 2384307, 3973845, 11921535]

約数ペア:

[(1, 11921535), (3, 3973845), (5, 2384307), (9, 1324615), (15, 794769), (43, 277245), (45, 264923), (61, 195435), (101, 118035), (129, 92415), (183, 65145), (215, 55449), (303, 39345), (305, 39087), (387, 30805), (505, 23607), (549, 21715), (645, 18483), (909, 13115), (915, 13029), (1515, 7869), (1935, 6161), (2623, 4545), (2745, 4343)]