201900465

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3967}}^1$

素因数の和:4023

約数の個数: 64

約数和(自身を含む): 399974400

約数和(自身を除く): 198073935

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 87, 117, 135, 145, 195, 261, 351, 377, 435, 585, 783, 1131, 1305, 1755, 1885, 3393, 3915, 3967, 5655, 10179, 11901, 16965, 19835, 35703, 50895, 51571, 59505, 107109, 115043, 154713, 178515, 257855, 345129, 464139, 535545, 575215, 773565, 1035387, 1392417, 1495559, 1725645, 2320695, 3106161, 4486677, 5176935, 6962085, 7477795, 13460031, 15530805, 22433385, 40380093, 67300155, 201900465]

約数ペア:

[(1, 201900465), (3, 67300155), (5, 40380093), (9, 22433385), (13, 15530805), (15, 13460031), (27, 7477795), (29, 6962085), (39, 5176935), (45, 4486677), (65, 3106161), (87, 2320695), (117, 1725645), (135, 1495559), (145, 1392417), (195, 1035387), (261, 773565), (351, 575215), (377, 535545), (435, 464139), (585, 345129), (783, 257855), (1131, 178515), (1305, 154713), (1755, 115043), (1885, 107109), (3393, 59505), (3915, 51571), (3967, 50895), (5655, 35703), (10179, 19835), (11901, 16965)]