198684015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 350013312

約数和(自身を除く): 151329297

約数列:

[1, 3, 5, 15, 17, 51, 53, 61, 85, 159, 183, 241, 255, 265, 305, 723, 795, 901, 915, 1037, 1205, 2703, 3111, 3233, 3615, 4097, 4505, 5185, 9699, 12291, 12773, 13515, 14701, 15555, 16165, 20485, 38319, 44103, 48495, 54961, 61455, 63865, 73505, 164883, 191595, 217141, 220515, 249917, 274805, 651423, 749751, 779153, 824415, 1085705, 1249585, 2337459, 3257115, 3748755, 3895765, 11687295, 13245601, 39736803, 66228005, 198684015]

約数ペア:

[(1, 198684015), (3, 66228005), (5, 39736803), (15, 13245601), (17, 11687295), (51, 3895765), (53, 3748755), (61, 3257115), (85, 2337459), (159, 1249585), (183, 1085705), (241, 824415), (255, 779153), (265, 749751), (305, 651423), (723, 274805), (795, 249917), (901, 220515), (915, 217141), (1037, 191595), (1205, 164883), (2703, 73505), (3111, 63865), (3233, 61455), (3615, 54961), (4097, 48495), (4505, 44103), (5185, 38319), (9699, 20485), (12291, 16165), (12773, 15555), (13515, 14701)]