1378275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 2571264

約数和(自身を除く): 1192989

約数列:

[1, 3, 5, 15, 17, 23, 25, 47, 51, 69, 75, 85, 115, 141, 235, 255, 345, 391, 425, 575, 705, 799, 1081, 1173, 1175, 1275, 1725, 1955, 2397, 3243, 3525, 3995, 5405, 5865, 9775, 11985, 16215, 18377, 19975, 27025, 29325, 55131, 59925, 81075, 91885, 275655, 459425, 1378275]

約数ペア:

[(1, 1378275), (3, 459425), (5, 275655), (15, 91885), (17, 81075), (23, 59925), (25, 55131), (47, 29325), (51, 27025), (69, 19975), (75, 18377), (85, 16215), (115, 11985), (141, 9775), (235, 5865), (255, 5405), (345, 3995), (391, 3525), (425, 3243), (575, 2397), (705, 1955), (799, 1725), (1081, 1275), (1173, 1175)]