247980789

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{941}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 423221760

約数和(自身を除く): 175240971

約数列:

[1, 3, 7, 9, 21, 47, 63, 89, 141, 267, 329, 423, 623, 801, 941, 987, 1869, 2823, 2961, 4183, 5607, 6587, 8469, 12549, 19761, 29281, 37647, 44227, 59283, 83749, 87843, 132681, 251247, 263529, 309589, 398043, 586243, 753741, 928767, 1758729, 2786301, 3936203, 5276187, 11808609, 27553421, 35425827, 82660263, 247980789]

約数ペア:

[(1, 247980789), (3, 82660263), (7, 35425827), (9, 27553421), (21, 11808609), (47, 5276187), (63, 3936203), (89, 2786301), (141, 1758729), (267, 928767), (329, 753741), (423, 586243), (623, 398043), (801, 309589), (941, 263529), (987, 251247), (1869, 132681), (2823, 87843), (2961, 83749), (4183, 59283), (5607, 44227), (6587, 37647), (8469, 29281), (12549, 19761)]