89673213

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 139898880

約数和(自身を除く): 50225667

約数列:

[1, 3, 7, 21, 71, 137, 213, 411, 439, 497, 959, 1317, 1491, 2877, 3073, 9219, 9727, 29181, 31169, 60143, 68089, 93507, 180429, 204267, 218183, 421001, 654549, 1263003, 4270153, 12810459, 29891071, 89673213]

約数ペア:

[(1, 89673213), (3, 29891071), (7, 12810459), (21, 4270153), (71, 1263003), (137, 654549), (213, 421001), (411, 218183), (439, 204267), (497, 180429), (959, 93507), (1317, 68089), (1491, 60143), (2877, 31169), (3073, 29181), (9219, 9727)]