1427598921

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 2319851520

約数和(自身を除く): 892252599

約数列:

[1, 3, 7, 21, 29, 61, 83, 87, 183, 203, 249, 427, 463, 581, 609, 1281, 1389, 1743, 1769, 2407, 3241, 5063, 5307, 7221, 9723, 12383, 13427, 15189, 16849, 28243, 35441, 37149, 38429, 40281, 50547, 84729, 93989, 106323, 115287, 146827, 197701, 269003, 281967, 440481, 593103, 807009, 819047, 1027789, 1114441, 2344169, 2457141, 3083367, 3343323, 5733329, 7032507, 7801087, 16409183, 17199987, 23403261, 49227549, 67980901, 203942703, 475866307, 1427598921]

約数ペア:

[(1, 1427598921), (3, 475866307), (7, 203942703), (21, 67980901), (29, 49227549), (61, 23403261), (83, 17199987), (87, 16409183), (183, 7801087), (203, 7032507), (249, 5733329), (427, 3343323), (463, 3083367), (581, 2457141), (609, 2344169), (1281, 1114441), (1389, 1027789), (1743, 819047), (1769, 807009), (2407, 593103), (3241, 440481), (5063, 281967), (5307, 269003), (7221, 197701), (9723, 146827), (12383, 115287), (13427, 106323), (15189, 93989), (16849, 84729), (28243, 50547), (35441, 40281), (37149, 38429)]