338788737

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12713}}^1$

素因数の和:12779

約数の個数: 40

約数和(自身を含む): 590743296

約数和(自身を除く): 251954559

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 8883, 12713, 26649, 38139, 88991, 114417, 266973, 343251, 597511, 800919, 1029753, 1792533, 2402757, 4182577, 5377599, 7208271, 12547731, 16132797, 37643193, 48398391, 112929579, 338788737]

約数ペア:

[(1, 338788737), (3, 112929579), (7, 48398391), (9, 37643193), (21, 16132797), (27, 12547731), (47, 7208271), (63, 5377599), (81, 4182577), (141, 2402757), (189, 1792533), (329, 1029753), (423, 800919), (567, 597511), (987, 343251), (1269, 266973), (2961, 114417), (3807, 88991), (8883, 38139), (12713, 26649)]