30945117

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 22622883

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 61, 87, 119, 147, 183, 203, 343, 357, 427, 493, 609, 833, 1029, 1037, 1281, 1421, 1479, 1769, 2499, 2989, 3111, 3451, 4263, 5307, 5831, 7259, 8967, 9947, 10353, 12383, 17493, 20923, 21777, 24157, 29841, 30073, 37149, 50813, 62769, 72471, 86681, 90219, 152439, 169099, 210511, 260043, 355691, 507297, 606767, 631533, 1067073, 1473577, 1820301, 4420731, 10315039, 30945117]

約数ペア:

[(1, 30945117), (3, 10315039), (7, 4420731), (17, 1820301), (21, 1473577), (29, 1067073), (49, 631533), (51, 606767), (61, 507297), (87, 355691), (119, 260043), (147, 210511), (183, 169099), (203, 152439), (343, 90219), (357, 86681), (427, 72471), (493, 62769), (609, 50813), (833, 37149), (1029, 30073), (1037, 29841), (1281, 24157), (1421, 21777), (1479, 20923), (1769, 17493), (2499, 12383), (2989, 10353), (3111, 9947), (3451, 8967), (4263, 7259), (5307, 5831)]