840500997

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{20599}}^1$

素因数の和:20705

約数の個数: 32

約数和(自身を含む): 1344768000

約数和(自身を除く): 504267003

約数列:

[1, 3, 7, 21, 29, 67, 87, 201, 203, 469, 609, 1407, 1943, 5829, 13601, 20599, 40803, 61797, 144193, 432579, 597371, 1380133, 1792113, 4140399, 4181597, 9660931, 12544791, 28982793, 40023857, 120071571, 280166999, 840500997]

約数ペア:

[(1, 840500997), (3, 280166999), (7, 120071571), (21, 40023857), (29, 28982793), (67, 12544791), (87, 9660931), (201, 4181597), (203, 4140399), (469, 1792113), (609, 1380133), (1407, 597371), (1943, 432579), (5829, 144193), (13601, 61797), (20599, 40803)]