291208725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4007}}^1$

素因数の和:4059

約数の個数: 72

約数和(自身を含む): 581480640

約数和(自身を除く): 290271915

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 323, 425, 475, 765, 855, 969, 1275, 1425, 1615, 2907, 3825, 4007, 4275, 4845, 8075, 12021, 14535, 20035, 24225, 36063, 60105, 68119, 72675, 76133, 100175, 180315, 204357, 228399, 300525, 340595, 380665, 613071, 685197, 901575, 1021785, 1141995, 1294261, 1702975, 1903325, 3065355, 3425985, 3882783, 5108925, 5709975, 6471305, 11648349, 15326775, 17129925, 19413915, 32356525, 58241745, 97069575, 291208725]

約数ペア:

[(1, 291208725), (3, 97069575), (5, 58241745), (9, 32356525), (15, 19413915), (17, 17129925), (19, 15326775), (25, 11648349), (45, 6471305), (51, 5709975), (57, 5108925), (75, 3882783), (85, 3425985), (95, 3065355), (153, 1903325), (171, 1702975), (225, 1294261), (255, 1141995), (285, 1021785), (323, 901575), (425, 685197), (475, 613071), (765, 380665), (855, 340595), (969, 300525), (1275, 228399), (1425, 204357), (1615, 180315), (2907, 100175), (3825, 76133), (4007, 72675), (4275, 68119), (4845, 60105), (8075, 36063), (12021, 24225), (14535, 20035)]