128527623

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{683}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 221944320

約数和(自身を除く): 93416697

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 103, 203, 261, 309, 609, 683, 721, 927, 1827, 2049, 2163, 2987, 4781, 6147, 6489, 8961, 14343, 19807, 20909, 26883, 43029, 59421, 62727, 70349, 138649, 178263, 188181, 211047, 415947, 492443, 633141, 1247841, 1477329, 2040121, 4431987, 6120363, 14280847, 18361089, 42842541, 128527623]

約数ペア:

[(1, 128527623), (3, 42842541), (7, 18361089), (9, 14280847), (21, 6120363), (29, 4431987), (63, 2040121), (87, 1477329), (103, 1247841), (203, 633141), (261, 492443), (309, 415947), (609, 211047), (683, 188181), (721, 178263), (927, 138649), (1827, 70349), (2049, 62727), (2163, 59421), (2987, 43029), (4781, 26883), (6147, 20909), (6489, 19807), (8961, 14343)]