72281079

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 56

約数和(自身を含む): 121191840

約数和(自身を除く): 48910761

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 243, 261, 263, 351, 377, 729, 783, 789, 1053, 1131, 2349, 2367, 3159, 3393, 3419, 7047, 7101, 7627, 9477, 10179, 10257, 21141, 21303, 22881, 30537, 30771, 63909, 68643, 91611, 92313, 99151, 191727, 205929, 274833, 276939, 297453, 617787, 830817, 892359, 1853361, 2492451, 2677077, 5560083, 8031231, 24093693, 72281079]

約数ペア:

[(1, 72281079), (3, 24093693), (9, 8031231), (13, 5560083), (27, 2677077), (29, 2492451), (39, 1853361), (81, 892359), (87, 830817), (117, 617787), (243, 297453), (261, 276939), (263, 274833), (351, 205929), (377, 191727), (729, 99151), (783, 92313), (789, 91611), (1053, 68643), (1131, 63909), (2349, 30771), (2367, 30537), (3159, 22881), (3393, 21303), (3419, 21141), (7047, 10257), (7101, 10179), (7627, 9477)]