28394535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 51439104

約数和(自身を除く): 23044569

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 169, 195, 299, 345, 487, 507, 845, 897, 1461, 1495, 2435, 2535, 3887, 4485, 6331, 7305, 11201, 11661, 18993, 19435, 31655, 33603, 56005, 58305, 82303, 94965, 145613, 168015, 246909, 411515, 436839, 728065, 1234545, 1892969, 2184195, 5678907, 9464845, 28394535]

約数ペア:

[(1, 28394535), (3, 9464845), (5, 5678907), (13, 2184195), (15, 1892969), (23, 1234545), (39, 728065), (65, 436839), (69, 411515), (115, 246909), (169, 168015), (195, 145613), (299, 94965), (345, 82303), (487, 58305), (507, 56005), (845, 33603), (897, 31655), (1461, 19435), (1495, 18993), (2435, 11661), (2535, 11201), (3887, 7305), (4485, 6331)]