8217279

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 14556672

約数和(自身を除く): 6339393

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 107, 159, 161, 207, 321, 371, 477, 483, 749, 963, 1113, 1219, 1449, 2247, 2461, 3339, 3657, 5671, 6741, 7383, 8533, 10971, 17013, 17227, 22149, 25599, 39697, 51039, 51681, 76797, 119091, 130433, 155043, 357273, 391299, 913031, 1173897, 2739093, 8217279]

約数ペア:

[(1, 8217279), (3, 2739093), (7, 1173897), (9, 913031), (21, 391299), (23, 357273), (53, 155043), (63, 130433), (69, 119091), (107, 76797), (159, 51681), (161, 51039), (207, 39697), (321, 25599), (371, 22149), (477, 17227), (483, 17013), (749, 10971), (963, 8533), (1113, 7383), (1219, 6741), (1449, 5671), (2247, 3657), (2461, 3339)]