217711746

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{575957}}^1$

素因数の和:575975

約数の個数: 32

約数和(自身を含む): 552919680

約数和(自身を除く): 335207934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 575957, 1151914, 1727871, 3455742, 4031699, 5183613, 8063398, 10367226, 12095097, 15550839, 24190194, 31101678, 36285291, 72570582, 108855873, 217711746]

約数ペア:

[(1, 217711746), (2, 108855873), (3, 72570582), (6, 36285291), (7, 31101678), (9, 24190194), (14, 15550839), (18, 12095097), (21, 10367226), (27, 8063398), (42, 5183613), (54, 4031699), (63, 3455742), (126, 1727871), (189, 1151914), (378, 575957)]