213319215

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5273}}^1$

素因数の和:5344

約数の個数: 48

約数和(自身を含む): 394917120

約数和(自身を除く): 181597905

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 1305, 1395, 2697, 4495, 5273, 8091, 13485, 15819, 26365, 40455, 47457, 79095, 152917, 163463, 237285, 458751, 490389, 764585, 817315, 1376253, 1471167, 2293755, 2451945, 4740427, 6881265, 7355835, 14221281, 23702135, 42663843, 71106405, 213319215]

約数ペア:

[(1, 213319215), (3, 71106405), (5, 42663843), (9, 23702135), (15, 14221281), (29, 7355835), (31, 6881265), (45, 4740427), (87, 2451945), (93, 2293755), (145, 1471167), (155, 1376253), (261, 817315), (279, 764585), (435, 490389), (465, 458751), (899, 237285), (1305, 163463), (1395, 152917), (2697, 79095), (4495, 47457), (5273, 40455), (8091, 26365), (13485, 15819)]