67020945

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 109209600

約数和(自身を除く): 42188655

約数列:

[1, 3, 5, 15, 149, 157, 191, 447, 471, 573, 745, 785, 955, 2235, 2355, 2865, 23393, 28459, 29987, 70179, 85377, 89961, 116965, 142295, 149935, 350895, 426885, 449805, 4468063, 13404189, 22340315, 67020945]

約数ペア:

[(1, 67020945), (3, 22340315), (5, 13404189), (15, 4468063), (149, 449805), (157, 426885), (191, 350895), (447, 149935), (471, 142295), (573, 116965), (745, 89961), (785, 85377), (955, 70179), (2235, 29987), (2355, 28459), (2865, 23393)]