161506917

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1873}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 278311488

約数和(自身を除く): 116804571

約数列:

[1, 3, 9, 11, 13, 33, 39, 67, 99, 117, 143, 201, 429, 603, 737, 871, 1287, 1873, 2211, 2613, 5619, 6633, 7839, 9581, 16857, 20603, 24349, 28743, 61809, 73047, 86229, 125491, 185427, 219141, 267839, 376473, 803517, 1129419, 1380401, 1631383, 2410551, 4141203, 4894149, 12423609, 14682447, 17945213, 53835639, 161506917]

約数ペア:

[(1, 161506917), (3, 53835639), (9, 17945213), (11, 14682447), (13, 12423609), (33, 4894149), (39, 4141203), (67, 2410551), (99, 1631383), (117, 1380401), (143, 1129419), (201, 803517), (429, 376473), (603, 267839), (737, 219141), (871, 185427), (1287, 125491), (1873, 86229), (2211, 73047), (2613, 61809), (5619, 28743), (6633, 24349), (7839, 20603), (9581, 16857)]