199337895

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1573

約数の個数: 64

約数和(自身を含む): 378639360

約数和(自身を除く): 179301465

約数列:

[1, 3, 5, 9, 15, 23, 27, 43, 45, 69, 115, 129, 135, 207, 215, 345, 387, 621, 645, 989, 1035, 1161, 1493, 1935, 2967, 3105, 4479, 4945, 5805, 7465, 8901, 13437, 14835, 22395, 26703, 34339, 40311, 44505, 64199, 67185, 103017, 133515, 171695, 192597, 201555, 309051, 320995, 515085, 577791, 927153, 962985, 1476577, 1545255, 1733373, 2888955, 4429731, 4635765, 7382885, 8666865, 13289193, 22148655, 39867579, 66445965, 199337895]

約数ペア:

[(1, 199337895), (3, 66445965), (5, 39867579), (9, 22148655), (15, 13289193), (23, 8666865), (27, 7382885), (43, 4635765), (45, 4429731), (69, 2888955), (115, 1733373), (129, 1545255), (135, 1476577), (207, 962985), (215, 927153), (345, 577791), (387, 515085), (621, 320995), (645, 309051), (989, 201555), (1035, 192597), (1161, 171695), (1493, 133515), (1935, 103017), (2967, 67185), (3105, 64199), (4479, 44505), (4945, 40311), (5805, 34339), (7465, 26703), (8901, 22395), (13437, 14835)]