80621145

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 153264384

約数和(自身を除く): 72643239

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 271, 495, 601, 813, 1355, 1803, 2439, 2981, 3005, 4065, 5409, 6611, 8943, 9015, 12195, 14905, 19833, 26829, 27045, 33055, 44715, 59499, 99165, 134145, 162871, 297495, 488613, 814355, 1465839, 1791581, 2443065, 5374743, 7329195, 8957905, 16124229, 26873715, 80621145]

約数ペア:

[(1, 80621145), (3, 26873715), (5, 16124229), (9, 8957905), (11, 7329195), (15, 5374743), (33, 2443065), (45, 1791581), (55, 1465839), (99, 814355), (165, 488613), (271, 297495), (495, 162871), (601, 134145), (813, 99165), (1355, 59499), (1803, 44715), (2439, 33055), (2981, 27045), (3005, 26829), (4065, 19833), (5409, 14905), (6611, 12195), (8943, 9015)]