27931995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 34967205

約数列:

[1, 3, 5, 7, 9, 13, 15, 19, 21, 35, 39, 45, 57, 63, 65, 91, 95, 105, 117, 133, 171, 195, 247, 273, 285, 315, 359, 399, 455, 585, 665, 741, 819, 855, 1077, 1197, 1235, 1365, 1729, 1795, 1995, 2223, 2513, 3231, 3705, 4095, 4667, 5187, 5385, 5985, 6821, 7539, 8645, 11115, 12565, 14001, 15561, 16155, 20463, 22617, 23335, 25935, 32669, 34105, 37695, 42003, 47747, 61389, 70005, 77805, 88673, 98007, 102315, 113085, 143241, 163345, 210015, 238735, 266019, 294021, 306945, 429723, 443365, 490035, 620711, 716205, 798057, 1330095, 1470105, 1862133, 2148615, 3103555, 3990285, 5586399, 9310665, 27931995]

約数ペア:

[(1, 27931995), (3, 9310665), (5, 5586399), (7, 3990285), (9, 3103555), (13, 2148615), (15, 1862133), (19, 1470105), (21, 1330095), (35, 798057), (39, 716205), (45, 620711), (57, 490035), (63, 443365), (65, 429723), (91, 306945), (95, 294021), (105, 266019), (117, 238735), (133, 210015), (171, 163345), (195, 143241), (247, 113085), (273, 102315), (285, 98007), (315, 88673), (359, 77805), (399, 70005), (455, 61389), (585, 47747), (665, 42003), (741, 37695), (819, 34105), (855, 32669), (1077, 25935), (1197, 23335), (1235, 22617), (1365, 20463), (1729, 16155), (1795, 15561), (1995, 14001), (2223, 12565), (2513, 11115), (3231, 8645), (3705, 7539), (4095, 6821), (4667, 5985), (5187, 5385)]