72221247

素因数分解:

$3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:793

約数の個数: 48

約数和(自身を含む): 126220800

約数和(自身を除く): 53999553

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 147, 189, 237, 441, 553, 691, 711, 1323, 1659, 2073, 2133, 3871, 4837, 4977, 6219, 11613, 14511, 14931, 18657, 33859, 34839, 43533, 54589, 101577, 104517, 130599, 163767, 304731, 382123, 491301, 914193, 1146369, 1473903, 2674861, 3439107, 8024583, 10317321, 24073749, 72221247]

約数ペア:

[(1, 72221247), (3, 24073749), (7, 10317321), (9, 8024583), (21, 3439107), (27, 2674861), (49, 1473903), (63, 1146369), (79, 914193), (147, 491301), (189, 382123), (237, 304731), (441, 163767), (553, 130599), (691, 104517), (711, 101577), (1323, 54589), (1659, 43533), (2073, 34839), (2133, 33859), (3871, 18657), (4837, 14931), (4977, 14511), (6219, 11613)]