201225519

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 342835200

約数和(自身を除く): 141609681

約数列:

[1, 3, 9, 11, 27, 29, 33, 61, 87, 99, 183, 261, 297, 319, 383, 549, 671, 783, 957, 1149, 1647, 1769, 2013, 2871, 3447, 4213, 5307, 6039, 8613, 10341, 11107, 12639, 15921, 18117, 19459, 23363, 33321, 37917, 47763, 58377, 70089, 99963, 113751, 122177, 175131, 210267, 256993, 299889, 366531, 525393, 630801, 677527, 770979, 1099593, 2032581, 2312937, 3298779, 6097743, 6938811, 7452797, 18293229, 22358391, 67075173, 201225519]

約数ペア:

[(1, 201225519), (3, 67075173), (9, 22358391), (11, 18293229), (27, 7452797), (29, 6938811), (33, 6097743), (61, 3298779), (87, 2312937), (99, 2032581), (183, 1099593), (261, 770979), (297, 677527), (319, 630801), (383, 525393), (549, 366531), (671, 299889), (783, 256993), (957, 210267), (1149, 175131), (1647, 122177), (1769, 113751), (2013, 99963), (2871, 70089), (3447, 58377), (4213, 47763), (5307, 37917), (6039, 33321), (8613, 23363), (10341, 19459), (11107, 18117), (12639, 15921)]