628425

素因数分解:

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

素因数の和:52

約数の個数: 72

約数和(自身を含む): 1413600

約数和(自身を除く): 785175

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 49, 57, 63, 75, 95, 105, 133, 135, 147, 171, 175, 189, 225, 245, 285, 315, 399, 441, 475, 513, 525, 665, 675, 735, 855, 931, 945, 1197, 1225, 1323, 1425, 1575, 1995, 2205, 2565, 2793, 3325, 3591, 3675, 4275, 4655, 4725, 5985, 6615, 8379, 9975, 11025, 12825, 13965, 17955, 23275, 25137, 29925, 33075, 41895, 69825, 89775, 125685, 209475, 628425]

約数ペア:

[(1, 628425), (3, 209475), (5, 125685), (7, 89775), (9, 69825), (15, 41895), (19, 33075), (21, 29925), (25, 25137), (27, 23275), (35, 17955), (45, 13965), (49, 12825), (57, 11025), (63, 9975), (75, 8379), (95, 6615), (105, 5985), (133, 4725), (135, 4655), (147, 4275), (171, 3675), (175, 3591), (189, 3325), (225, 2793), (245, 2565), (285, 2205), (315, 1995), (399, 1575), (441, 1425), (475, 1323), (513, 1225), (525, 1197), (665, 945), (675, 931), (735, 855)]