68207895

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 135862272

約数和(自身を除く): 67654377

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 223, 315, 669, 971, 1115, 1561, 2007, 2913, 3345, 4683, 4855, 6797, 7805, 8739, 10035, 14049, 14565, 20391, 23415, 33985, 43695, 61173, 70245, 101955, 216533, 305865, 649599, 1082665, 1515731, 1948797, 3247995, 4547193, 7578655, 9743985, 13641579, 22735965, 68207895]

約数ペア:

[(1, 68207895), (3, 22735965), (5, 13641579), (7, 9743985), (9, 7578655), (15, 4547193), (21, 3247995), (35, 1948797), (45, 1515731), (63, 1082665), (105, 649599), (223, 305865), (315, 216533), (669, 101955), (971, 70245), (1115, 61173), (1561, 43695), (2007, 33985), (2913, 23415), (3345, 20391), (4683, 14565), (4855, 14049), (6797, 10035), (7805, 8739)]