40903947

素因数分解:

$3^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 70936320

約数和(自身を除く): 30032373

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 173, 189, 243, 417, 519, 567, 973, 1211, 1251, 1557, 1701, 2919, 3633, 3753, 4671, 8757, 10899, 11259, 14013, 24047, 26271, 32697, 33777, 42039, 72141, 78813, 98091, 168329, 216423, 236439, 294273, 504987, 649269, 1514961, 1947807, 4544883, 5843421, 13634649, 40903947]

約数ペア:

[(1, 40903947), (3, 13634649), (7, 5843421), (9, 4544883), (21, 1947807), (27, 1514961), (63, 649269), (81, 504987), (139, 294273), (173, 236439), (189, 216423), (243, 168329), (417, 98091), (519, 78813), (567, 72141), (973, 42039), (1211, 33777), (1251, 32697), (1557, 26271), (1701, 24047), (2919, 14013), (3633, 11259), (3753, 10899), (4671, 8757)]