4220805

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 7234560

約数和(自身を除く): 3013755

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 313, 435, 465, 899, 939, 1565, 2697, 4495, 4695, 9077, 9703, 13485, 27231, 29109, 45385, 48515, 136155, 145545, 281387, 844161, 1406935, 4220805]

約数ペア:

[(1, 4220805), (3, 1406935), (5, 844161), (15, 281387), (29, 145545), (31, 136155), (87, 48515), (93, 45385), (145, 29109), (155, 27231), (313, 13485), (435, 9703), (465, 9077), (899, 4695), (939, 4495), (1565, 2697)]