172238145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 300478464

約数和(自身を除く): 128240319

約数列:

[1, 3, 5, 15, 23, 37, 69, 103, 111, 115, 131, 185, 309, 345, 393, 515, 555, 655, 851, 1545, 1965, 2369, 2553, 3013, 3811, 4255, 4847, 7107, 9039, 11433, 11845, 12765, 13493, 14541, 15065, 19055, 24235, 35535, 40479, 45195, 57165, 67465, 72705, 87653, 111481, 202395, 262959, 310339, 334443, 438265, 499241, 557405, 931017, 1314795, 1497723, 1551695, 1672215, 2496205, 4655085, 7488615, 11482543, 34447629, 57412715, 172238145]

約数ペア:

[(1, 172238145), (3, 57412715), (5, 34447629), (15, 11482543), (23, 7488615), (37, 4655085), (69, 2496205), (103, 1672215), (111, 1551695), (115, 1497723), (131, 1314795), (185, 931017), (309, 557405), (345, 499241), (393, 438265), (515, 334443), (555, 310339), (655, 262959), (851, 202395), (1545, 111481), (1965, 87653), (2369, 72705), (2553, 67465), (3013, 57165), (3811, 45195), (4255, 40479), (4847, 35535), (7107, 24235), (9039, 19055), (11433, 15065), (11845, 14541), (12765, 13493)]