199310013

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{18287}}^1$

素因数の和:18473

約数の個数: 24

約数和(自身を含む): 330939648

約数和(自身を除く): 131629635

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 10899, 18287, 54861, 128009, 164583, 384027, 1152081, 3163651, 9490953, 22145557, 28472859, 66436671, 199310013]

約数ペア:

[(1, 199310013), (3, 66436671), (7, 28472859), (9, 22145557), (21, 9490953), (63, 3163651), (173, 1152081), (519, 384027), (1211, 164583), (1557, 128009), (3633, 54861), (10899, 18287)]