72477776889

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1800377}}^1$

素因数の和:1800467

約数の個数: 40

約数和(自身を含む): 125479145088

約数和(自身を除く): 53001368199

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 1491, 1917, 4473, 5751, 13419, 40257, 1800377, 5401131, 12602639, 16203393, 37807917, 48610179, 113423751, 127826767, 145830537, 340271253, 383480301, 894787369, 1020813759, 1150440903, 2684362107, 3451322709, 8053086321, 10353968127, 24159258963, 72477776889]

約数ペア:

[(1, 72477776889), (3, 24159258963), (7, 10353968127), (9, 8053086321), (21, 3451322709), (27, 2684362107), (63, 1150440903), (71, 1020813759), (81, 894787369), (189, 383480301), (213, 340271253), (497, 145830537), (567, 127826767), (639, 113423751), (1491, 48610179), (1917, 37807917), (4473, 16203393), (5751, 12602639), (13419, 5401131), (40257, 1800377)]