81888003

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 126382080

約数和(自身を除く): 44494077

約数列:

[1, 3, 9, 27, 67, 79, 81, 191, 201, 237, 573, 603, 711, 1719, 1809, 2133, 5157, 5293, 5427, 6399, 12797, 15089, 15471, 15879, 38391, 45267, 47637, 115173, 135801, 142911, 345519, 407403, 428733, 1010963, 1036557, 1222209, 3032889, 9098667, 27296001, 81888003]

約数ペア:

[(1, 81888003), (3, 27296001), (9, 9098667), (27, 3032889), (67, 1222209), (79, 1036557), (81, 1010963), (191, 428733), (201, 407403), (237, 345519), (573, 142911), (603, 135801), (711, 115173), (1719, 47637), (1809, 45267), (2133, 38391), (5157, 15879), (5293, 15471), (5427, 15089), (6399, 12797)]