27164725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 42640128

約数和(自身を除く): 15475403

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 397, 425, 575, 595, 805, 1955, 1985, 2737, 2779, 2975, 4025, 6749, 9131, 9775, 9925, 13685, 13895, 33745, 45655, 47243, 63917, 68425, 69475, 155227, 168725, 228275, 236215, 319585, 776135, 1086589, 1181075, 1597925, 3880675, 5432945, 27164725]

約数ペア:

[(1, 27164725), (5, 5432945), (7, 3880675), (17, 1597925), (23, 1181075), (25, 1086589), (35, 776135), (85, 319585), (115, 236215), (119, 228275), (161, 168725), (175, 155227), (391, 69475), (397, 68425), (425, 63917), (575, 47243), (595, 45655), (805, 33745), (1955, 13895), (1985, 13685), (2737, 9925), (2779, 9775), (2975, 9131), (4025, 6749)]