18300447

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 30551040

約数和(自身を除く): 12250593

約数列:

[1, 3, 9, 11, 31, 33, 67, 89, 93, 99, 201, 267, 279, 341, 603, 737, 801, 979, 1023, 2077, 2211, 2759, 2937, 3069, 5963, 6231, 6633, 8277, 8811, 17889, 18693, 22847, 24831, 30349, 53667, 65593, 68541, 91047, 184853, 196779, 205623, 273141, 554559, 590337, 1663677, 2033383, 6100149, 18300447]

約数ペア:

[(1, 18300447), (3, 6100149), (9, 2033383), (11, 1663677), (31, 590337), (33, 554559), (67, 273141), (89, 205623), (93, 196779), (99, 184853), (201, 91047), (267, 68541), (279, 65593), (341, 53667), (603, 30349), (737, 24831), (801, 22847), (979, 18693), (1023, 17889), (2077, 8811), (2211, 8277), (2759, 6633), (2937, 6231), (3069, 5963)]