90631905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 181321728

約数和(自身を除く): 90689823

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 67, 91, 105, 195, 201, 273, 335, 455, 469, 871, 991, 1005, 1365, 1407, 2345, 2613, 2973, 4355, 4955, 6097, 6937, 7035, 12883, 13065, 14865, 18291, 20811, 30485, 34685, 38649, 64415, 66397, 90181, 91455, 104055, 193245, 199191, 270543, 331985, 450905, 464779, 863161, 995955, 1352715, 1394337, 2323895, 2589483, 4315805, 6042127, 6971685, 12947415, 18126381, 30210635, 90631905]

約数ペア:

[(1, 90631905), (3, 30210635), (5, 18126381), (7, 12947415), (13, 6971685), (15, 6042127), (21, 4315805), (35, 2589483), (39, 2323895), (65, 1394337), (67, 1352715), (91, 995955), (105, 863161), (195, 464779), (201, 450905), (273, 331985), (335, 270543), (455, 199191), (469, 193245), (871, 104055), (991, 91455), (1005, 90181), (1365, 66397), (1407, 64415), (2345, 38649), (2613, 34685), (2973, 30485), (4355, 20811), (4955, 18291), (6097, 14865), (6937, 13065), (7035, 12883)]