72173619

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3209}}^1$

素因数の和:3249

約数の個数: 48

約数和(自身を含む): 131738400

約数和(自身を除く): 59564781

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 833, 1071, 1323, 2499, 3209, 3213, 7497, 9627, 22463, 22491, 28881, 54553, 67389, 86643, 157241, 163659, 202167, 381871, 471723, 490977, 606501, 1145613, 1415169, 1472931, 2673097, 3436839, 4245507, 8019291, 10310517, 24057873, 72173619]

約数ペア:

[(1, 72173619), (3, 24057873), (7, 10310517), (9, 8019291), (17, 4245507), (21, 3436839), (27, 2673097), (49, 1472931), (51, 1415169), (63, 1145613), (119, 606501), (147, 490977), (153, 471723), (189, 381871), (357, 202167), (441, 163659), (459, 157241), (833, 86643), (1071, 67389), (1323, 54553), (2499, 28881), (3209, 22491), (3213, 22463), (7497, 9627)]