30995517

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{593}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 19185603

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 593, 917, 1779, 2489, 2751, 4151, 7467, 11267, 12453, 17423, 33801, 52269, 77683, 78869, 233049, 236607, 543781, 1475977, 1631343, 4427931, 10331839, 30995517]

約数ペア:

[(1, 30995517), (3, 10331839), (7, 4427931), (19, 1631343), (21, 1475977), (57, 543781), (131, 236607), (133, 233049), (393, 78869), (399, 77683), (593, 52269), (917, 33801), (1779, 17423), (2489, 12453), (2751, 11267), (4151, 7467)]