31153806

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1381

約数の個数: 48

約数和(自身を含む): 72109440

約数和(自身を除く): 40955634

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1278, 1283, 1349, 2566, 2698, 3849, 4047, 7698, 8094, 11547, 12141, 23094, 24282, 24377, 48754, 73131, 91093, 146262, 182186, 219393, 273279, 438786, 546558, 819837, 1639674, 1730767, 3461534, 5192301, 10384602, 15576903, 31153806]

約数ペア:

[(1, 31153806), (2, 15576903), (3, 10384602), (6, 5192301), (9, 3461534), (18, 1730767), (19, 1639674), (38, 819837), (57, 546558), (71, 438786), (114, 273279), (142, 219393), (171, 182186), (213, 146262), (342, 91093), (426, 73131), (639, 48754), (1278, 24377), (1283, 24282), (1349, 23094), (2566, 12141), (2698, 11547), (3849, 8094), (4047, 7698)]