189898995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 359460864

約数和(自身を除く): 169561869

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 223, 397, 429, 669, 715, 1115, 1191, 1985, 2145, 2453, 2899, 3345, 4367, 5161, 5955, 7359, 8697, 12265, 13101, 14495, 15483, 21835, 25805, 31889, 36795, 43485, 56771, 65505, 77415, 88531, 95667, 159445, 170313, 265593, 283855, 442655, 478335, 851565, 973841, 1150903, 1327965, 2921523, 3452709, 4869205, 5754515, 12659933, 14607615, 17263545, 37979799, 63299665, 189898995]

約数ペア:

[(1, 189898995), (3, 63299665), (5, 37979799), (11, 17263545), (13, 14607615), (15, 12659933), (33, 5754515), (39, 4869205), (55, 3452709), (65, 2921523), (143, 1327965), (165, 1150903), (195, 973841), (223, 851565), (397, 478335), (429, 442655), (669, 283855), (715, 265593), (1115, 170313), (1191, 159445), (1985, 95667), (2145, 88531), (2453, 77415), (2899, 65505), (3345, 56771), (4367, 43485), (5161, 36795), (5955, 31889), (7359, 25805), (8697, 21835), (12265, 15483), (13101, 14495)]