7375725

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{223}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 15832320

約数和(自身を除く): 8456595

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 223, 225, 245, 315, 441, 525, 669, 675, 735, 945, 1115, 1225, 1323, 1561, 1575, 2007, 2205, 3345, 3675, 4683, 4725, 5575, 6021, 6615, 7805, 10035, 10927, 11025, 14049, 16725, 23415, 30105, 32781, 33075, 39025, 42147, 50175, 54635, 70245, 98343, 117075, 150525, 163905, 210735, 273175, 295029, 351225, 491715, 819525, 1053675, 1475145, 2458575, 7375725]

約数ペア:

[(1, 7375725), (3, 2458575), (5, 1475145), (7, 1053675), (9, 819525), (15, 491715), (21, 351225), (25, 295029), (27, 273175), (35, 210735), (45, 163905), (49, 150525), (63, 117075), (75, 98343), (105, 70245), (135, 54635), (147, 50175), (175, 42147), (189, 39025), (223, 33075), (225, 32781), (245, 30105), (315, 23415), (441, 16725), (525, 14049), (669, 11025), (675, 10927), (735, 10035), (945, 7805), (1115, 6615), (1225, 6021), (1323, 5575), (1561, 4725), (1575, 4683), (2007, 3675), (2205, 3345)]