1672215

素因数分解:

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

素因数の和:199

約数の個数: 32

約数和(自身を含む): 2889216

約数和(自身を除く): 1217001

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 131, 185, 345, 393, 555, 655, 851, 1965, 2553, 3013, 4255, 4847, 9039, 12765, 14541, 15065, 24235, 45195, 72705, 111481, 334443, 557405, 1672215]

約数ペア:

[(1, 1672215), (3, 557405), (5, 334443), (15, 111481), (23, 72705), (37, 45195), (69, 24235), (111, 15065), (115, 14541), (131, 12765), (185, 9039), (345, 4847), (393, 4255), (555, 3013), (655, 2553), (851, 1965)]