172173897

素因数分解:

$3^3\times 7^2\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 298771200

約数和(自身を除く): 126597303

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 181, 189, 441, 543, 719, 1267, 1323, 1629, 2157, 3801, 4887, 5033, 6471, 8869, 11403, 15099, 19413, 26607, 34209, 35231, 45297, 79821, 105693, 130139, 135891, 239463, 317079, 390417, 910973, 951237, 1171251, 2732919, 3513753, 6376811, 8198757, 19130433, 24596271, 57391299, 172173897]

約数ペア:

[(1, 172173897), (3, 57391299), (7, 24596271), (9, 19130433), (21, 8198757), (27, 6376811), (49, 3513753), (63, 2732919), (147, 1171251), (181, 951237), (189, 910973), (441, 390417), (543, 317079), (719, 239463), (1267, 135891), (1323, 130139), (1629, 105693), (2157, 79821), (3801, 45297), (4887, 35231), (5033, 34209), (6471, 26607), (8869, 19413), (11403, 15099)]