31989699

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 54

約数和(自身を含む): 57326724

約数和(自身を除く): 25337025

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 251, 289, 357, 441, 753, 833, 867, 1071, 1757, 2023, 2259, 2499, 2601, 4267, 5271, 6069, 7497, 12299, 12801, 14161, 15813, 18207, 29869, 36897, 38403, 42483, 72539, 89607, 110691, 127449, 209083, 217617, 268821, 507773, 627249, 652851, 1523319, 1881747, 3554411, 4569957, 10663233, 31989699]

約数ペア:

[(1, 31989699), (3, 10663233), (7, 4569957), (9, 3554411), (17, 1881747), (21, 1523319), (49, 652851), (51, 627249), (63, 507773), (119, 268821), (147, 217617), (153, 209083), (251, 127449), (289, 110691), (357, 89607), (441, 72539), (753, 42483), (833, 38403), (867, 36897), (1071, 29869), (1757, 18207), (2023, 15813), (2259, 14161), (2499, 12801), (2601, 12299), (4267, 7497), (5271, 6069)]