204511725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4349}}^1$

素因数の和:4395

約数の個数: 72

約数和(自身を含む): 420732000

約数和(自身を除く): 216220275

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 475, 495, 627, 825, 855, 1045, 1425, 1881, 2475, 3135, 4275, 4349, 5225, 9405, 13047, 15675, 21745, 39141, 47025, 47839, 65235, 82631, 108725, 143517, 195705, 239195, 247893, 326175, 413155, 430551, 717585, 743679, 908941, 978525, 1195975, 1239465, 2065775, 2152755, 2726823, 3587925, 3718395, 4544705, 6197325, 8180469, 10763775, 13634115, 18591975, 22723525, 40902345, 68170575, 204511725]

約数ペア:

[(1, 204511725), (3, 68170575), (5, 40902345), (9, 22723525), (11, 18591975), (15, 13634115), (19, 10763775), (25, 8180469), (33, 6197325), (45, 4544705), (55, 3718395), (57, 3587925), (75, 2726823), (95, 2152755), (99, 2065775), (165, 1239465), (171, 1195975), (209, 978525), (225, 908941), (275, 743679), (285, 717585), (475, 430551), (495, 413155), (627, 326175), (825, 247893), (855, 239195), (1045, 195705), (1425, 143517), (1881, 108725), (2475, 82631), (3135, 65235), (4275, 47839), (4349, 47025), (5225, 39141), (9405, 21745), (13047, 15675)]