17889201

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 31334400

約数和(自身を除く): 13445199

約数列:

[1, 3, 9, 11, 27, 29, 31, 33, 67, 87, 93, 99, 201, 261, 279, 297, 319, 341, 603, 737, 783, 837, 899, 957, 1023, 1809, 1943, 2077, 2211, 2697, 2871, 3069, 5829, 6231, 6633, 8091, 8613, 9207, 9889, 17487, 18693, 19899, 21373, 22847, 24273, 29667, 52461, 56079, 60233, 64119, 68541, 89001, 180699, 192357, 205623, 267003, 542097, 577071, 616869, 662563, 1626291, 1987689, 5963067, 17889201]

約数ペア:

[(1, 17889201), (3, 5963067), (9, 1987689), (11, 1626291), (27, 662563), (29, 616869), (31, 577071), (33, 542097), (67, 267003), (87, 205623), (93, 192357), (99, 180699), (201, 89001), (261, 68541), (279, 64119), (297, 60233), (319, 56079), (341, 52461), (603, 29667), (737, 24273), (783, 22847), (837, 21373), (899, 19899), (957, 18693), (1023, 17487), (1809, 9889), (1943, 9207), (2077, 8613), (2211, 8091), (2697, 6633), (2871, 6231), (3069, 5829)]